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972241020 = 2232519674243
BaseRepresentation
bin111001111100110…
…011100001111100
32111202102221221200
4321330303201330
53442343203040
6240250255500
733043624632
oct7174634174
92452387850
10972241020
11459894083
12231727590
1312656b25a
14931a3352
155a54b630
hex39f3387c

972241020 has 144 divisors (see below), whose sum is σ = 3151424640. Its totient is φ = 241895808.

The previous prime is 972241019. The next prime is 972241021. The reversal of 972241020 is 20142279.

It is an interprime number because it is at equal distance from previous prime (972241019) and next prime (972241021).

It is a super-4 number, since 4×9722410204 (a number of 37 digits) contains 4444 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972241021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227019 + ... + 231261.

Almost surely, 2972241020 is an apocalyptic number.

972241020 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 972241020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575712320).

972241020 is an abundant number, since it is smaller than the sum of its proper divisors (2179183620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

972241020 is a wasteful number, since it uses less digits than its factorization.

972241020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344 (or 4339 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 972241020 is about 31180.7796567052. The cubic root of 972241020 is about 990.6600434684.

Adding to 972241020 its reverse (20142279), we get a palindrome (992383299).

The spelling of 972241020 in words is "nine hundred seventy-two million, two hundred forty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 67 76 90 95 114 134 171 180 190 201 228 268 285 335 342 380 402 570 603 670 684 804 855 1005 1140 1206 1273 1340 1710 2010 2412 2546 3015 3420 3819 4020 4243 5092 6030 6365 7638 8486 11457 12060 12729 12730 15276 16972 19095 21215 22914 25458 25460 38187 38190 42430 45828 50916 57285 63645 76374 76380 80617 84860 114570 127290 152748 161234 190935 229140 241851 254580 284281 322468 381870 403085 483702 568562 725553 763740 806170 852843 967404 1137124 1209255 1421405 1451106 1612340 1705686 2418510 2558529 2842810 2902212 3411372 3627765 4264215 4837020 5117058 5401339 5685620 7255530 8528430 10234116 10802678 12792645 14511060 16204017 17056860 21605356 25585290 27006695 32408034 48612051 51170580 54013390 64816068 81020085 97224102 108026780 162040170 194448204 243060255 324080340 486120510 972241020