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102729054 = 2327163179
BaseRepresentation
bin1100001111110…
…00010101011110
321011022011202210
412013320111132
5202244312204
614105501250
72355116421
oct607702536
9234264683
10102729054
1152a9594a
122a4a1826
131838aa2c
14d9019b8
159043389
hex61f855e

102729054 has 16 divisors (see below), whose sum is σ = 206219520. Its totient is φ = 34116120.

The previous prime is 102729043. The next prime is 102729059. The reversal of 102729054 is 450927201.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102729059) 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, 29964 + ... + 33215.

It is an arithmetic number, because the mean of its divisors is an integer number (12888720).

Almost surely, 2102729054 is an apocalyptic number.

102729054 is an abundant number, since it is smaller than the sum of its proper divisors (103490466).

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

102729054 is a wasteful number, since it uses less digits than its factorization.

102729054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63455.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 102729054 is about 10135.5342237102. The cubic root of 102729054 is about 468.3434271566.

The spelling of 102729054 in words is "one hundred two million, seven hundred twenty-nine thousand, fifty-four".

Divisors: 1 2 3 6 271 542 813 1626 63179 126358 189537 379074 17121509 34243018 51364527 102729054