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57400735 = 571640021
BaseRepresentation
bin1101101011110…
…1110110011111
311000000021000011
43122331312133
5104143310420
65410144051
71264620040
oct332756637
9130007004
1057400735
112a446027
1217282027
13bb79b42
1478a28c7
15508c95a
hex36bdd9f

57400735 has 8 divisors (see below), whose sum is σ = 78721056. Its totient is φ = 39360480.

The previous prime is 57400699. The next prime is 57400741. The reversal of 57400735 is 53700475.

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

It is not a de Polignac number, because 57400735 - 211 = 57398687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57400697 and 57400706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819976 + ... + 820045.

It is an arithmetic number, because the mean of its divisors is an integer number (9840132).

Almost surely, 257400735 is an apocalyptic number.

57400735 is a deficient number, since it is larger than the sum of its proper divisors (21320321).

57400735 is a wasteful number, since it uses less digits than its factorization.

57400735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640033.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 57400735 is about 7576.3272764579. The cubic root of 57400735 is about 385.7498961505.

The spelling of 57400735 in words is "fifty-seven million, four hundred thousand, seven hundred thirty-five".

Divisors: 1 5 7 35 1640021 8200105 11480147 57400735