Search a number
-
+
57400465 = 574315451
BaseRepresentation
bin1101101011110…
…1110010010001
311000000020122011
43122331302101
5104143303330
65410142521
71264616203
oct332756221
9130006564
1057400465
112a445901
1217281a41
13bb79995
1478a2773
15508c82a
hex36bdc91

57400465 has 8 divisors (see below), whose sum is σ = 68977728. Its totient is φ = 45855600.

The previous prime is 57400457. The next prime is 57400477. The reversal of 57400465 is 56400475.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57400465 - 23 = 57400457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4011 + ... + 11440.

It is an arithmetic number, because the mean of its divisors is an integer number (8622216).

Almost surely, 257400465 is an apocalyptic number.

It is an amenable number.

57400465 is a deficient number, since it is larger than the sum of its proper divisors (11577263).

57400465 is a wasteful number, since it uses less digits than its factorization.

57400465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16199.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 57400465 is about 7576.3094577769. The cubic root of 57400465 is about 385.7492913229.

The spelling of 57400465 in words is "fifty-seven million, four hundred thousand, four hundred sixty-five".

Divisors: 1 5 743 3715 15451 77255 11480093 57400465