Search a number
-
+
57451225 = 5213434111
BaseRepresentation
bin1101101100101…
…0001011011001
311000002211021011
43123022023121
5104201414400
65411213521
71265220166
oct333121331
9130084234
1057451225
112a47aa57
12172a72a1
13bb96b10
1478b706d
15509c8ba
hex36ca2d9

57451225 has 24 divisors (see below), whose sum is σ = 78522752. Its totient is φ = 41428800.

The previous prime is 57451213. The next prime is 57451241. The reversal of 57451225 is 52215475.

It is not a de Polignac number, because 57451225 - 29 = 57450713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11920 + ... + 16030.

Almost surely, 257451225 is an apocalyptic number.

It is an amenable number.

57451225 is a deficient number, since it is larger than the sum of its proper divisors (21071527).

57451225 is a wasteful number, since it uses less digits than its factorization.

57451225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177 (or 4172 counting only the distinct ones).

The product of its digits is 14000, while the sum is 31.

The square root of 57451225 is about 7579.6586334742. The cubic root of 57451225 is about 385.8629655766.

The spelling of 57451225 in words is "fifty-seven million, four hundred fifty-one thousand, two hundred twenty-five".

Divisors: 1 5 13 25 43 65 215 325 559 1075 2795 4111 13975 20555 53443 102775 176773 267215 883865 1336075 2298049 4419325 11490245 57451225