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57700253 = 134438481
BaseRepresentation
bin1101110000011…
…0111110011101
311000120110212102
43130012332131
5104232402003
65420414445
71300305212
oct334067635
9130513772
1057700253
112a630066
12173a7425
13bc53280
14793db09
1550eb588
hex3706f9d

57700253 has 4 divisors (see below), whose sum is σ = 62138748. Its totient is φ = 53261760.

The previous prime is 57700241. The next prime is 57700273. The reversal of 57700253 is 35200775.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4439449 + 53260804 = 2107^2 + 7298^2 .

It is a cyclic number.

It is not a de Polignac number, because 57700253 - 212 = 57696157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57700273) 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, 2219228 + ... + 2219253.

It is an arithmetic number, because the mean of its divisors is an integer number (15534687).

Almost surely, 257700253 is an apocalyptic number.

It is an amenable number.

57700253 is a deficient number, since it is larger than the sum of its proper divisors (4438495).

57700253 is a wasteful number, since it uses less digits than its factorization.

57700253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438494.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 57700253 is about 7596.0682593036. The cubic root of 57700253 is about 386.4196823265.

The spelling of 57700253 in words is "fifty-seven million, seven hundred thousand, two hundred fifty-three".

Divisors: 1 13 4438481 57700253