Search a number
-
+
57130048 = 26892657
BaseRepresentation
bin1101100111101…
…1110001000000
310222111111200201
43121323301000
5104111130143
65400254544
71262411623
oct331736100
9128444621
1057130048
112a280718
1217171454
13bab3881
147831dba
15503764d
hex367bc40

57130048 has 14 divisors (see below), whose sum is σ = 113367566. Its totient is φ = 28564992.

The previous prime is 57130009. The next prime is 57130103. The reversal of 57130048 is 84003175.

57130048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 57032704 + 97344 = 7552^2 + 312^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57129998 and 57130025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446265 + ... + 446392.

Almost surely, 257130048 is an apocalyptic number.

It is an amenable number.

57130048 is a deficient number, since it is larger than the sum of its proper divisors (56237518).

57130048 is an equidigital number, since it uses as much as digits as its factorization.

57130048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892669 (or 892659 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 57130048 is about 7558.4421675369. The cubic root of 57130048 is about 385.1425749563.

The spelling of 57130048 in words is "fifty-seven million, one hundred thirty thousand, forty-eight".

Divisors: 1 2 4 8 16 32 64 892657 1785314 3570628 7141256 14282512 28565024 57130048