Search a number
-
+
57479272 = 2313735233
BaseRepresentation
bin1101101101000…
…1000001101000
311000011020201221
43123101001220
5104203314042
65411551424
71265365024
oct333210150
9130136657
1057479272
112a49a034
12172bb574
13bba6806
1478c3384
1550a5d67
hex36d1068

57479272 has 16 divisors (see below), whose sum is σ = 107872740. Its totient is φ = 28713216.

The previous prime is 57479267. The next prime is 57479273. The reversal of 57479272 is 27297475.

It can be written as a sum of positive squares in 2 ways, for example, as 37283236 + 20196036 = 6106^2 + 4494^2 .

It is not an unprimeable number, because it can be changed into a prime (57479273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8368 + ... + 13600.

Almost surely, 257479272 is an apocalyptic number.

It is an amenable number.

57479272 is a deficient number, since it is larger than the sum of its proper divisors (50393468).

57479272 is a wasteful number, since it uses less digits than its factorization.

57479272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612 (or 6608 counting only the distinct ones).

The product of its digits is 246960, while the sum is 43.

The square root of 57479272 is about 7581.5085570090. The cubic root of 57479272 is about 385.9257465876.

The spelling of 57479272 in words is "fifty-seven million, four hundred seventy-nine thousand, two hundred seventy-two".

Divisors: 1 2 4 8 1373 2746 5233 5492 10466 10984 20932 41864 7184909 14369818 28739636 57479272