Search a number
-
+
332385840 = 243251912417
BaseRepresentation
bin10011110011111…
…100111000110000
3212011102221122200
4103303330320300
51140042321330
652552103200
711144142633
oct2363747060
9764387580
10332385840
11160694446
1293394b00
1353b29a17
1432203c1a
151e2a9a60
hex13cfce30

332385840 has 120 divisors (see below), whose sum is σ = 1122571008. Its totient is φ = 88135680.

The previous prime is 332385839. The next prime is 332385847. The reversal of 332385840 is 48583233.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×3323858402 = 220960693265011200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 332385795 and 332385804.

It is not an unprimeable number, because it can be changed into a prime (332385847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136312 + ... + 138728.

Almost surely, 2332385840 is an apocalyptic number.

332385840 is a gapful number since it is divisible by the number (30) 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 332385840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561285504).

332385840 is an abundant number, since it is smaller than the sum of its proper divisors (790185168).

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

332385840 is a wasteful number, since it uses less digits than its factorization.

332385840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627 (or 2618 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 332385840 is about 18231.4519443735. The cubic root of 332385840 is about 692.7036957201.

The spelling of 332385840 in words is "three hundred thirty-two million, three hundred eighty-five thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 191 240 360 382 573 720 764 955 1146 1528 1719 1910 2292 2417 2865 3056 3438 3820 4584 4834 5730 6876 7251 7640 8595 9168 9668 11460 12085 13752 14502 15280 17190 19336 21753 22920 24170 27504 29004 34380 36255 38672 43506 45840 48340 58008 68760 72510 87012 96680 108765 116016 137520 145020 174024 193360 217530 290040 348048 435060 461647 580080 870120 923294 1384941 1740240 1846588 2308235 2769882 3693176 4154823 4616470 5539764 6924705 7386352 8309646 9232940 11079528 13849410 16619292 18465880 20774115 22159056 27698820 33238584 36931760 41548230 55397640 66477168 83096460 110795280 166192920 332385840