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58139064 = 2332807487
BaseRepresentation
bin1101110111001…
…0000110111000
311001101202210200
43131302012320
5104340422224
65434042200
71304113434
oct335620670
9131352720
1058139064
112a8aa815
1217579360
13c077c19
147a159c4
1551865c9
hex37721b8

58139064 has 24 divisors (see below), whose sum is σ = 157460160. Its totient is φ = 19379664.

The previous prime is 58139057. The next prime is 58139087. The reversal of 58139064 is 46093185.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 403672 + ... + 403815.

It is an arithmetic number, because the mean of its divisors is an integer number (6560840).

Almost surely, 258139064 is an apocalyptic number.

It is an amenable number.

58139064 is an abundant number, since it is smaller than the sum of its proper divisors (99321096).

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

58139064 is a wasteful number, since it uses less digits than its factorization.

58139064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807499 (or 807492 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 58139064 is about 7624.8976386572. The cubic root of 58139064 is about 387.3967847193.

The spelling of 58139064 in words is "fifty-eight million, one hundred thirty-nine thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 807487 1614974 2422461 3229948 4844922 6459896 7267383 9689844 14534766 19379688 29069532 58139064