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57475345 = 5157211347
BaseRepresentation
bin1101101101000…
…0000100010001
311000011001100111
43123100010101
5104203202340
65411521321
71265350414
oct333200421
9130131314
1057475345
112a497094
12172b9241
13bba4aa5
1478c1b7b
1550a4aea
hex36d0111

57475345 has 16 divisors (see below), whose sum is σ = 69939648. Its totient is φ = 45339840.

The previous prime is 57475337. The next prime is 57475349. The reversal of 57475345 is 54357475.

It is not a de Polignac number, because 57475345 - 23 = 57475337 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 57475298 and 57475307.

It is not an unprimeable number, because it can be changed into a prime (57475349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165462 + ... + 165808.

It is an arithmetic number, because the mean of its divisors is an integer number (4371228).

Almost surely, 257475345 is an apocalyptic number.

It is an amenable number.

57475345 is a deficient number, since it is larger than the sum of its proper divisors (12464303).

57475345 is a wasteful number, since it uses less digits than its factorization.

57475345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its digits is 294000, while the sum is 40.

The square root of 57475345 is about 7581.2495671888. The cubic root of 57475345 is about 385.9169575357.

The spelling of 57475345 in words is "fifty-seven million, four hundred seventy-five thousand, three hundred forty-five".

Divisors: 1 5 157 211 347 785 1055 1735 33127 54479 73217 165635 272395 366085 11495069 57475345