Search a number
-
+
57980590 = 2519401761
BaseRepresentation
bin1101110100101…
…1011010101110
311001002201102021
43131023122232
5104320334330
65430420354
71302553423
oct335133256
9131081367
1057980590
112a801748
12175016ba
13c020a55
1479b3d4a
15515467a
hex374b6ae

57980590 has 32 divisors (see below), whose sum is σ = 110276640. Its totient is φ = 21888000.

The previous prime is 57980581. The next prime is 57980597. The reversal of 57980590 is 9508975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57980597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75810 + ... + 76570.

It is an arithmetic number, because the mean of its divisors is an integer number (3446145).

Almost surely, 257980590 is an apocalyptic number.

57980590 is a deficient number, since it is larger than the sum of its proper divisors (52296050).

57980590 is a wasteful number, since it uses less digits than its factorization.

57980590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188.

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 57980590 is about 7614.4986703000. The cubic root of 57980590 is about 387.0444789487.

The spelling of 57980590 in words is "fifty-seven million, nine hundred eighty thousand, five hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 401 761 802 1522 2005 3805 4010 7610 7619 14459 15238 28918 38095 72295 76190 144590 305161 610322 1525805 3051610 5798059 11596118 28990295 57980590