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57253459 = 233245723
BaseRepresentation
bin1101101001100…
…1111001010011
310222201202222111
43122121321103
5104124102314
65403050151
71263434464
oct332317123
9128652874
1057253459
112a35540a
1217210957
13bb27ab3
147864d6b
15505dec4
hex3699e53

57253459 has 4 divisors (see below), whose sum is σ = 57499416. Its totient is φ = 57007504.

The previous prime is 57253457. The next prime is 57253481. The reversal of 57253459 is 95435275.

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

It is a cyclic number.

It is not a de Polignac number, because 57253459 - 21 = 57253457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57253451) 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, 122629 + ... + 123094.

It is an arithmetic number, because the mean of its divisors is an integer number (14374854).

Almost surely, 257253459 is an apocalyptic number.

57253459 is a deficient number, since it is larger than the sum of its proper divisors (245957).

57253459 is a wasteful number, since it uses less digits than its factorization.

57253459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245956.

The product of its digits is 189000, while the sum is 40.

The square root of 57253459 is about 7566.6015489122. The cubic root of 57253459 is about 385.4197008471.

The spelling of 57253459 in words is "fifty-seven million, two hundred fifty-three thousand, four hundred fifty-nine".

Divisors: 1 233 245723 57253459