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57980541 = 3294211583
BaseRepresentation
bin1101110100101…
…1011001111101
311001002201100110
43131023121331
5104320334131
65430420233
71302553323
oct335133175
9131081313
1057980541
112a801703
1217501679
13c020a18
1479b3d13
155154646
hex374b67d

57980541 has 16 divisors (see below), whose sum is σ = 80213760. Its totient is φ = 37208640.

The previous prime is 57980537. The next prime is 57980543. The reversal of 57980541 is 14508975.

It is not a de Polignac number, because 57980541 - 22 = 57980537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57980541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57980543) 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 15 ways as a sum of consecutive naturals, for example, 35836 + ... + 37418.

It is an arithmetic number, because the mean of its divisors is an integer number (5013360).

Almost surely, 257980541 is an apocalyptic number.

It is an amenable number.

57980541 is a deficient number, since it is larger than the sum of its proper divisors (22233219).

57980541 is a wasteful number, since it uses less digits than its factorization.

57980541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 57980541 is about 7614.4954527533. The cubic root of 57980541 is about 387.0443699169.

The spelling of 57980541 in words is "fifty-seven million, nine hundred eighty thousand, five hundred forty-one".

Divisors: 1 3 29 87 421 1263 1583 4749 12209 36627 45907 137721 666443 1999329 19326847 57980541