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102271329 = 344329363
BaseRepresentation
bin1100001100010…
…00100101100001
321010102220220000
412012020211201
5202140140304
614052010213
72351202066
oct606104541
9233386800
10102271329
1152802a66
122a300969
131825a5a4
14d822c6d
158ea2939
hex6188961

102271329 has 20 divisors (see below), whose sum is σ = 156333936. Its totient is φ = 66593016.

The previous prime is 102271297. The next prime is 102271331. The reversal of 102271329 is 923172201.

It is not a de Polignac number, because 102271329 - 25 = 102271297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102271369) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11199 + ... + 18164.

Almost surely, 2102271329 is an apocalyptic number.

It is an amenable number.

102271329 is a deficient number, since it is larger than the sum of its proper divisors (54062607).

102271329 is an equidigital number, since it uses as much as digits as its factorization.

102271329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29418 (or 29409 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 102271329 is about 10112.9288042584. The cubic root of 102271329 is about 467.6467995810.

The spelling of 102271329 in words is "one hundred two million, two hundred seventy-one thousand, three hundred twenty-nine".

Divisors: 1 3 9 27 43 81 129 387 1161 3483 29363 88089 264267 792801 1262609 2378403 3787827 11363481 34090443 102271329