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58379391 = 327926657
BaseRepresentation
bin1101111010110…
…0110001111111
311001211222110200
43132230301333
5104421120031
65443134543
71306134210
oct336546177
9131758420
1058379391
112aa54334
1217674453
13c130425
147a79407
1551d28e6
hex37acc7f

58379391 has 12 divisors (see below), whose sum is σ = 96372432. Its totient is φ = 33359616.

The previous prime is 58379389. The next prime is 58379401. The reversal of 58379391 is 19397385.

It is a happy number.

It is not a de Polignac number, because 58379391 - 21 = 58379389 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58379891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463266 + ... + 463391.

It is an arithmetic number, because the mean of its divisors is an integer number (8031036).

Almost surely, 258379391 is an apocalyptic number.

58379391 is a deficient number, since it is larger than the sum of its proper divisors (37993041).

58379391 is a wasteful number, since it uses less digits than its factorization.

58379391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926670 (or 926667 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 58379391 is about 7640.6407453825. The cubic root of 58379391 is about 387.9298394945.

The spelling of 58379391 in words is "fifty-eight million, three hundred seventy-nine thousand, three hundred ninety-one".

Divisors: 1 3 7 9 21 63 926657 2779971 6486599 8339913 19459797 58379391