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139728102 = 2323288017
BaseRepresentation
bin10000101010000…
…01010011100110
3100201220220220220
420111001103212
5241232244402
621510505210
73314445363
oct1025012346
9321826826
10139728102
1171966878
123a965206
1322c43667
14147b346a
15c400dbc
hex85414e6

139728102 has 8 divisors (see below), whose sum is σ = 279456216. Its totient is φ = 46576032.

The previous prime is 139728089. The next prime is 139728143. The reversal of 139728102 is 201827931.

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

139728102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11644003 + ... + 11644014.

It is an arithmetic number, because the mean of its divisors is an integer number (34932027).

Almost surely, 2139728102 is an apocalyptic number.

139728102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

139728102 is a wasteful number, since it uses less digits than its factorization.

139728102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23288022.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 139728102 is about 11820.6641945366. The cubic root of 139728102 is about 518.9130426296.

The spelling of 139728102 in words is "one hundred thirty-nine million, seven hundred twenty-eight thousand, one hundred two".

Divisors: 1 2 3 6 23288017 46576034 69864051 139728102