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1420913024 = 27193147401
BaseRepresentation
bin101010010110001…
…0110100110000000
310200000200212020022
41110230112212000
510402223204044
6352555033012
750132363366
oct12454264600
93600625208
101420913024
1166a082a93
12337a3b768
131984c164b
14d69d7636
1584b263ee
hex54b16980

1420913024 has 128 divisors (see below), whose sum is σ = 3149107200. Its totient is φ = 635904000.

The previous prime is 1420913017. The next prime is 1420913041. The reversal of 1420913024 is 4203190241.

It is a Cunningham number, because it is equal to 376952-1.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 1420912984 and 1420913002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3543224 + ... + 3543624.

It is an arithmetic number, because the mean of its divisors is an integer number (24602400).

Almost surely, 21420913024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420913024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574553600).

1420913024 is an abundant number, since it is smaller than the sum of its proper divisors (1728194176).

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

1420913024 is a wasteful number, since it uses less digits than its factorization.

1420913024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1420913024 is about 37694.9999867356. Note that the first 4 decimals coincide. The cubic root of 1420913024 is about 1124.2317122121.

The spelling of 1420913024 in words is "one billion, four hundred twenty million, nine hundred thirteen thousand, twenty-four".

Divisors: 1 2 4 8 16 19 31 32 38 47 62 64 76 94 124 128 152 188 248 304 376 401 496 589 608 752 802 893 992 1178 1216 1457 1504 1604 1786 1984 2356 2432 2914 3008 3208 3572 3968 4712 5828 6016 6416 7144 7619 9424 11656 12431 12832 14288 15238 18847 18848 23312 24862 25664 27683 28576 30476 37694 37696 46624 49724 51328 55366 57152 60952 75388 75392 93248 99448 110732 114304 121904 150776 186496 198896 221464 236189 243808 301552 358093 397792 442928 472378 487616 584257 603104 716186 795584 885856 944756 975232 1168514 1206208 1432372 1591168 1771712 1889512 2337028 2412416 2864744 3543424 3779024 4674056 5729488 7558048 9348112 11100883 11458976 15116096 18696224 22201766 22917952 30232192 37392448 44403532 45835904 74784896 88807064 177614128 355228256 710456512 1420913024