Search a number
-
+
58990391 = 17312007
BaseRepresentation
bin1110000100000…
…1111100110111
311010000000121022
43201001330313
5110100143031
65504211355
71314260435
oct341017467
9133000538
1058990391
1130331399
1217909b5b
13c2b5575
147b97d55
1552a397b
hex3841f37

58990391 has 8 divisors (see below), whose sum is σ = 62681760. Its totient is φ = 55515744.

The previous prime is 58990387. The next prime is 58990409. The reversal of 58990391 is 19309985.

It is not a de Polignac number, because 58990391 - 22 = 58990387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58990301) 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, 1091 + ... + 10916.

It is an arithmetic number, because the mean of its divisors is an integer number (7835220).

Almost surely, 258990391 is an apocalyptic number.

58990391 is a deficient number, since it is larger than the sum of its proper divisors (3691369).

58990391 is an equidigital number, since it uses as much as digits as its factorization.

58990391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12058 (or 12024 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 58990391 is about 7680.5202297761. The cubic root of 58990391 is about 389.2785060881.

The spelling of 58990391 in words is "fifty-eight million, nine hundred ninety thousand, three hundred ninety-one".

Divisors: 1 17 289 4913 12007 204119 3470023 58990391