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58138692 = 2233723539
BaseRepresentation
bin1101110111001…
…0000001000100
311001101202021220
43131302001010
5104340414232
65434040340
71304112363
oct335620104
9131352256
1058138692
112a8aa507
12175790b0
13c0779c1
147a157da
15518642c
hex3772044

58138692 has 36 divisors (see below), whose sum is σ = 139461840. Its totient is φ = 18850464.

The previous prime is 58138679. The next prime is 58138693. The reversal of 58138692 is 29683185.

It is not an unprimeable number, because it can be changed into a prime (58138693) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14659 + ... + 18197.

It is an arithmetic number, because the mean of its divisors is an integer number (3873940).

Almost surely, 258138692 is an apocalyptic number.

It is an amenable number.

58138692 is an abundant number, since it is smaller than the sum of its proper divisors (81323148).

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

58138692 is a wasteful number, since it uses less digits than its factorization.

58138692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620 (or 3581 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 58138692 is about 7624.8732448481. The cubic root of 58138692 is about 387.3959584710.

The spelling of 58138692 in words is "fifty-eight million, one hundred thirty-eight thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 1369 2738 3539 4107 5476 7078 8214 10617 14156 16428 21234 42468 130943 261886 392829 523772 785658 1571316 4844891 9689782 14534673 19379564 29069346 58138692