Search a number
-
+
57980659 = 1121771397
BaseRepresentation
bin1101110100101…
…1011011110011
311001002201111211
43131023123303
5104320340114
65430420551
71302553552
oct335133363
9131081454
1057980659
112a801800
1217501757
13c020aa9
1479b3d99
1551546c4
hex374b6f3

57980659 has 24 divisors (see below), whose sum is σ = 68602464. Its totient is φ = 48787200.

The previous prime is 57980627. The next prime is 57980687. The reversal of 57980659 is 95608975.

It is not a de Polignac number, because 57980659 - 25 = 57980627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57980059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145849 + ... + 146245.

It is an arithmetic number, because the mean of its divisors is an integer number (2858436).

Almost surely, 257980659 is an apocalyptic number.

57980659 is a deficient number, since it is larger than the sum of its proper divisors (10621805).

57980659 is a wasteful number, since it uses less digits than its factorization.

57980659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 57980659 is about 7614.5032011288. The cubic root of 57980659 is about 387.0446324832.

The spelling of 57980659 in words is "fifty-seven million, nine hundred eighty thousand, six hundred fifty-nine".

Divisors: 1 11 17 71 121 187 397 781 1207 2057 4367 6749 8591 13277 28187 48037 74239 146047 310057 479179 816629 3410627 5270969 57980659