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57393469 = 775710831
BaseRepresentation
bin1101101011110…
…0000100111101
310222222220001001
43122330010331
5104143042334
65410050301
71264556620
oct332740475
9128886031
1057393469
112a440621
1217279991
13bb76743
14789ddb7
15508a714
hex36bc13d

57393469 has 8 divisors (see below), whose sum is σ = 65685248. Its totient is φ = 49124880.

The previous prime is 57393467. The next prime is 57393499. The reversal of 57393469 is 96439375.

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

It is not a de Polignac number, because 57393469 - 21 = 57393467 is a prime.

It is a super-2 number, since 2×573934692 = 6588020567707922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57393461) 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, 117 + ... + 10714.

It is an arithmetic number, because the mean of its divisors is an integer number (8210656).

Almost surely, 257393469 is an apocalyptic number.

It is an amenable number.

57393469 is a deficient number, since it is larger than the sum of its proper divisors (8291779).

57393469 is a wasteful number, since it uses less digits than its factorization.

57393469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11595.

The product of its digits is 612360, while the sum is 46.

The square root of 57393469 is about 7575.8477413422. The cubic root of 57393469 is about 385.7336189081.

The spelling of 57393469 in words is "fifty-seven million, three hundred ninety-three thousand, four hundred sixty-nine".

Divisors: 1 7 757 5299 10831 75817 8199067 57393469