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139279304 = 2389199983
BaseRepresentation
bin10000100110100…
…11101111001000
3100201002010021202
420103103233020
5241123414204
621453123332
73310566053
oct1023235710
9321063252
10139279304
117168a66a
123a789548
1322b172b8
14146d7a9a
15c362e1e
hex84d3bc8

139279304 has 32 divisors (see below), whose sum is σ = 265680000. Its totient is φ = 68441472.

The previous prime is 139279297. The next prime is 139279321. The reversal of 139279304 is 403972931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141197 + ... + 142179.

It is an arithmetic number, because the mean of its divisors is an integer number (8302500).

Almost surely, 2139279304 is an apocalyptic number.

It is an amenable number.

139279304 is a deficient number, since it is larger than the sum of its proper divisors (126400696).

139279304 is a wasteful number, since it uses less digits than its factorization.

139279304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 139279304 is about 11801.6653062184. The cubic root of 139279304 is about 518.3568745720.

The spelling of 139279304 in words is "one hundred thirty-nine million, two hundred seventy-nine thousand, three hundred four".

Divisors: 1 2 4 8 89 178 199 356 398 712 796 983 1592 1966 3932 7864 17711 35422 70844 87487 141688 174974 195617 349948 391234 699896 782468 1564936 17409913 34819826 69639652 139279304