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58105381 = 1492711439
BaseRepresentation
bin1101110110100…
…1111000100101
311001100001121011
43131221320211
5104333333011
65433222221
71303613305
oct335517045
9131301534
1058105381
112a887484
1217561971
13c0657a9
147a07605
15517b621
hex3769e25

58105381 has 8 divisors (see below), whose sum is σ = 58752000. Its totient is φ = 57462480.

The previous prime is 58105373. The next prime is 58105409. The reversal of 58105381 is 18350185.

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

It is a cyclic number.

It is not a de Polignac number, because 58105381 - 23 = 58105373 is a prime.

It is a super-2 number, since 2×581053812 = 6752470602310322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58105321) 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, 39660 + ... + 41098.

It is an arithmetic number, because the mean of its divisors is an integer number (7344000).

Almost surely, 258105381 is an apocalyptic number.

It is an amenable number.

58105381 is a deficient number, since it is larger than the sum of its proper divisors (646619).

58105381 is a wasteful number, since it uses less digits than its factorization.

58105381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 58105381 is about 7622.6885676905. The cubic root of 58105381 is about 387.3219571952.

The spelling of 58105381 in words is "fifty-eight million, one hundred five thousand, three hundred eighty-one".

Divisors: 1 149 271 1439 40379 214411 389969 58105381