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328887372 = 2231117146563
BaseRepresentation
bin10011100110100…
…110110001001100
3211220212012122210
4103212212301030
51133143343442
652345110420
711102332212
oct2346466114
9756765583
10328887372
11159714a50
1292188410
13531a3518
1431972cb2
151dd1819c
hex139a6c4c

328887372 has 48 divisors (see below), whose sum is σ = 886419072. Its totient is φ = 93799680.

The previous prime is 328887331. The next prime is 328887379. The reversal of 328887372 is 273788823.

It is a super-2 number, since 2×3288873722 = 216333806922132768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (328887379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71038 + ... + 75525.

It is an arithmetic number, because the mean of its divisors is an integer number (18467064).

Almost surely, 2328887372 is an apocalyptic number.

It is an amenable number.

328887372 is an abundant number, since it is smaller than the sum of its proper divisors (557531700).

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

328887372 is a wasteful number, since it uses less digits than its factorization.

328887372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146598 (or 146596 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 328887372 is about 18135.2521901406. The cubic root of 328887372 is about 690.2648090913.

The spelling of 328887372 in words is "three hundred twenty-eight million, eight hundred eighty-seven thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 66 68 102 132 187 204 374 561 748 1122 2244 146563 293126 439689 586252 879378 1612193 1758756 2491571 3224386 4836579 4983142 6448772 7474713 9673158 9966284 14949426 19346316 27407281 29898852 54814562 82221843 109629124 164443686 328887372