Search a number
-
+
57056052 = 22317412731
BaseRepresentation
bin1101100110100…
…1101100110100
310222100202012010
43121221230310
5104101243202
65354524220
71261653114
oct331515464
9128322163
1057056052
112a230069
1217136670
13ba88ca1
147813044
15502076c
hex3669b34

57056052 has 24 divisors (see below), whose sum is σ = 133256032. Its totient is φ = 19000800.

The previous prime is 57056047. The next prime is 57056057. The reversal of 57056052 is 25065075.

It is an interprime number because it is at equal distance from previous prime (57056047) and next prime (57056057).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57056057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19527 + ... + 22257.

Almost surely, 257056052 is an apocalyptic number.

It is an amenable number.

57056052 is an abundant number, since it is smaller than the sum of its proper divisors (76199980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57056052 is a wasteful number, since it uses less digits than its factorization.

57056052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479 (or 4477 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 57056052 is about 7553.5456575042. The cubic root of 57056052 is about 384.9762216157.

The spelling of 57056052 in words is "fifty-seven million, fifty-six thousand, fifty-two".

Divisors: 1 2 3 4 6 12 1741 2731 3482 5223 5462 6964 8193 10446 10924 16386 20892 32772 4754671 9509342 14264013 19018684 28528026 57056052