Search a number
-
+
56975898 = 2376132213
BaseRepresentation
bin1101100101011…
…0001000011010
310222012200020110
43121112020122
5104041212043
65353105150
71261200330
oct331261032
9128180213
1056975898
112a185921
12170b81b6
13ba5b665
1477d1b50
155006b33
hex365621a

56975898 has 32 divisors (see below), whose sum is σ = 130502016. Its totient is φ = 16244928.

The previous prime is 56975881. The next prime is 56975911. The reversal of 56975898 is 89857965.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24640 + ... + 26852.

It is an arithmetic number, because the mean of its divisors is an integer number (4078188).

Almost surely, 256975898 is an apocalyptic number.

56975898 is an abundant number, since it is smaller than the sum of its proper divisors (73526118).

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

56975898 is a wasteful number, since it uses less digits than its factorization.

56975898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838.

The product of its digits is 5443200, while the sum is 57.

The square root of 56975898 is about 7548.2380725571. The cubic root of 56975898 is about 384.7958618697.

It can be divided in two parts, 569 and 75898, that added together give a palindrome (76467).

The spelling of 56975898 in words is "fifty-six million, nine hundred seventy-five thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 7 14 21 42 613 1226 1839 2213 3678 4291 4426 6639 8582 12873 13278 15491 25746 30982 46473 92946 1356569 2713138 4069707 8139414 9495983 18991966 28487949 56975898