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102032331 = 3233145969
BaseRepresentation
bin1100001010011…
…10001111001011
321002222210001020
412011032033023
5202110013311
614042523523
72346155232
oct605161713
9232883036
10102032331
115265a445
122a2065a3
13181a587b
14d79db19
158e56c06
hex614e3cb

102032331 has 8 divisors (see below), whose sum is σ = 136627920. Its totient is φ = 67729152.

The previous prime is 102032309. The next prime is 102032383. The reversal of 102032331 is 133230201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102032331 - 221 = 99935179 is a prime.

It is a super-2 number, since 2×1020323312 = 20821193138587122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102032331.

It is not an unprimeable number, because it can be changed into a prime (102032431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72286 + ... + 73683.

It is an arithmetic number, because the mean of its divisors is an integer number (17078490).

Almost surely, 2102032331 is an apocalyptic number.

102032331 is the 6389-th centered pentagonal number.

102032331 is a deficient number, since it is larger than the sum of its proper divisors (34595589).

102032331 is a wasteful number, since it uses less digits than its factorization.

102032331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146205.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 102032331 is about 10101.1054345552. The cubic root of 102032331 is about 467.2822339801.

Adding to 102032331 its reverse (133230201), we get a palindrome (235262532).

The spelling of 102032331 in words is "one hundred two million, thirty-two thousand, three hundred thirty-one".

Divisors: 1 3 233 699 145969 437907 34010777 102032331