Search a number
-
+
57026284 = 2272338741
BaseRepresentation
bin1101100110001…
…0011011101100
310222022020100121
43121202123230
5104044320114
65354134324
71261500250
oct331423354
9128266317
1057026284
112a20a767
12171213a4
13ba78583
147806260
155016a24
hex36626ec

57026284 has 24 divisors (see below), whose sum is σ = 114555168. Its totient is φ = 24332160.

The previous prime is 57026261. The next prime is 57026303. The reversal of 57026284 is 48262075.

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, 2154 + ... + 10894.

It is an arithmetic number, because the mean of its divisors is an integer number (4773132).

Almost surely, 257026284 is an apocalyptic number.

It is an amenable number.

57026284 is an abundant number, since it is smaller than the sum of its proper divisors (57528884).

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

57026284 is a wasteful number, since it uses less digits than its factorization.

57026284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8985 (or 8983 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 57026284 is about 7551.5749350715. The cubic root of 57026284 is about 384.9092584257.

The spelling of 57026284 in words is "fifty-seven million, twenty-six thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 233 466 932 1631 3262 6524 8741 17482 34964 61187 122374 244748 2036653 4073306 8146612 14256571 28513142 57026284