Search a number
-
+
57205948 = 2232574391
BaseRepresentation
bin1101101000111…
…0010010111100
310222122100210211
43122032102330
5104121042243
65402042204
71263146122
oct332162274
9128570724
1057205948
112a322748
12171a9364
13bb0c297
147851912
15504ed9d
hex368e4bc

57205948 has 12 divisors (see below), whose sum is σ = 100163952. Its totient is φ = 28587680.

The previous prime is 57205913. The next prime is 57205949. The reversal of 57205948 is 84950275.

It is a self number, because there is not a number n which added to its sum of digits gives 57205948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57205949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10833 + ... + 15223.

It is an arithmetic number, because the mean of its divisors is an integer number (8346996).

Almost surely, 257205948 is an apocalyptic number.

It is an amenable number.

57205948 is a deficient number, since it is larger than the sum of its proper divisors (42958004).

57205948 is a wasteful number, since it uses less digits than its factorization.

57205948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652 (or 7650 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 57205948 is about 7563.4613769094. The cubic root of 57205948 is about 385.3130595874.

The spelling of 57205948 in words is "fifty-seven million, two hundred five thousand, nine hundred forty-eight".

Divisors: 1 2 4 3257 4391 6514 8782 13028 17564 14301487 28602974 57205948