Search a number
-
+
57999492 = 22321611097
BaseRepresentation
bin1101110101000…
…0000010000100
311001010200100100
43131100002010
5104321440432
65431044100
71302662505
oct335200204
9131120310
1057999492
112a814971
1217510630
13c029535
1479babac
15515a07c
hex3750084

57999492 has 18 divisors (see below), whose sum is σ = 146609918. Its totient is φ = 19333152.

The previous prime is 57999479. The next prime is 57999493. The reversal of 57999492 is 29499975.

It can be written as a sum of positive squares in only one way, i.e., 29419776 + 28579716 = 5424^2 + 5346^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (57999493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 805513 + ... + 805584.

Almost surely, 257999492 is an apocalyptic number.

It is an amenable number.

57999492 is an abundant number, since it is smaller than the sum of its proper divisors (88610426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57999492 is a wasteful number, since it uses less digits than its factorization.

57999492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611107 (or 1611102 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 57999492 is about 7615.7397539569. The cubic root of 57999492 is about 387.0865339415.

The spelling of 57999492 in words is "fifty-seven million, nine hundred ninety-nine thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 1611097 3222194 4833291 6444388 9666582 14499873 19333164 28999746 57999492