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102160443 = 3721163179
BaseRepresentation
bin1100001011011…
…01100000111011
321010020021210010
412011231200323
5202123113233
614045353003
72350230600
oct605554073
9233207703
10102160443
1152737720
122a268763
131821bc88
14d7d46a7
158e7eb63
hex616d83b

102160443 has 24 divisors (see below), whose sum is σ = 172860480. Its totient is φ = 53069520.

The previous prime is 102160439. The next prime is 102160459. The reversal of 102160443 is 344061201.

It is not a de Polignac number, because 102160443 - 22 = 102160439 is a prime.

It is a super-2 number, since 2×1021604432 = 20873512227912498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (102160403) 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, 29973 + ... + 33206.

It is an arithmetic number, because the mean of its divisors is an integer number (7202520).

Almost surely, 2102160443 is an apocalyptic number.

102160443 is a deficient number, since it is larger than the sum of its proper divisors (70700037).

102160443 is a wasteful number, since it uses less digits than its factorization.

102160443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63207 (or 63200 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 102160443 is about 10107.4449293578. Note that the first 3 decimals coincide. The cubic root of 102160443 is about 467.4777256872.

The spelling of 102160443 in words is "one hundred two million, one hundred sixty thousand, four hundred forty-three".

Divisors: 1 3 7 11 21 33 49 77 147 231 539 1617 63179 189537 442253 694969 1326759 2084907 3095771 4864783 9287313 14594349 34053481 102160443