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57249670 = 255724967
BaseRepresentation
bin1101101001100…
…0111110000110
310222201120210011
43122120332012
5104123442140
65403020434
71263420442
oct332307606
9128646704
1057249670
112a352585
121720a71a
13bb2615a
147863822
15505ccea
hex3698f86

57249670 has 8 divisors (see below), whose sum is σ = 103049424. Its totient is φ = 22899864.

The previous prime is 57249649. The next prime is 57249671. The reversal of 57249670 is 7694275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57249671) 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, 2862474 + ... + 2862493.

It is an arithmetic number, because the mean of its divisors is an integer number (12881178).

Almost surely, 257249670 is an apocalyptic number.

57249670 is a deficient number, since it is larger than the sum of its proper divisors (45799754).

57249670 is a wasteful number, since it uses less digits than its factorization.

57249670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724974.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 57249670 is about 7566.3511681655. The cubic root of 57249670 is about 385.4111983771.

The spelling of 57249670 in words is "fifty-seven million, two hundred forty-nine thousand, six hundred seventy".

Divisors: 1 2 5 10 5724967 11449934 28624835 57249670