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57080225 = 524335273
BaseRepresentation
bin1101100110111…
…1100110100001
310222101222100102
43121233212201
5104103031400
65355232145
71262113436
oct331574641
9128358312
1057080225
112a247244
1217148655
13ba96ca7
14781bb8d
1550279d5
hex366f9a1

57080225 has 12 divisors (see below), whose sum is σ = 70956396. Its totient is φ = 45550080.

The previous prime is 57080213. The next prime is 57080249. The reversal of 57080225 is 52208075.

It can be written as a sum of positive squares in 6 ways, for example, as 7349521 + 49730704 = 2711^2 + 7052^2 .

It is a de Polignac number, because none of the positive numbers 2k-57080225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8189 + ... + 13461.

It is an arithmetic number, because the mean of its divisors is an integer number (5913033).

Almost surely, 257080225 is an apocalyptic number.

It is an amenable number.

57080225 is a deficient number, since it is larger than the sum of its proper divisors (13876171).

57080225 is a wasteful number, since it uses less digits than its factorization.

57080225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716 (or 5711 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 57080225 is about 7555.1455975381. The cubic root of 57080225 is about 385.0305817052.

The spelling of 57080225 in words is "fifty-seven million, eighty thousand, two hundred twenty-five".

Divisors: 1 5 25 433 2165 5273 10825 26365 131825 2283209 11416045 57080225