Search a number
-
+
57041444 = 22109130829
BaseRepresentation
bin1101100110011…
…0001000100100
310222100000011002
43121212020210
5104100311234
65354332432
71261562405
oct331461044
9128300132
1057041444
112a220099
121712a118
13ba82445
14780b9ac
15501b27e
hex3666224

57041444 has 12 divisors (see below), whose sum is σ = 100739100. Its totient is φ = 28258848.

The previous prime is 57041441. The next prime is 57041459. The reversal of 57041444 is 44414075.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22372900 + 34668544 = 4730^2 + 5888^2 .

It is not an unprimeable number, because it can be changed into a prime (57041441) 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, 64979 + ... + 65850.

It is an arithmetic number, because the mean of its divisors is an integer number (8394925).

Almost surely, 257041444 is an apocalyptic number.

It is an amenable number.

57041444 is a deficient number, since it is larger than the sum of its proper divisors (43697656).

57041444 is a wasteful number, since it uses less digits than its factorization.

57041444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130942 (or 130940 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 57041444 is about 7552.5786324937. The cubic root of 57041444 is about 384.9433637945.

The spelling of 57041444 in words is "fifty-seven million, forty-one thousand, four hundred forty-four".

Divisors: 1 2 4 109 218 436 130829 261658 523316 14260361 28520722 57041444