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57200545 = 519602111
BaseRepresentation
bin1101101000110…
…0111110100001
310222122002101201
43122030332201
5104120404140
65402001201
71263124303
oct332147641
9128562351
1057200545
112a319686
12171a6201
13bb0999c
14784d973
15504d49a
hex368cfa1

57200545 has 8 divisors (see below), whose sum is σ = 72253440. Its totient is φ = 43351920.

The previous prime is 57200543. The next prime is 57200579. The reversal of 57200545 is 54500275.

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

It is not a de Polignac number, because 57200545 - 21 = 57200543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57200543) 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, 300961 + ... + 301150.

It is an arithmetic number, because the mean of its divisors is an integer number (9031680).

Almost surely, 257200545 is an apocalyptic number.

It is an amenable number.

57200545 is a deficient number, since it is larger than the sum of its proper divisors (15052895).

57200545 is a wasteful number, since it uses less digits than its factorization.

57200545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602135.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 57200545 is about 7563.1041907407. The cubic root of 57200545 is about 385.3009284945.

The spelling of 57200545 in words is "fifty-seven million, two hundred thousand, five hundred forty-five".

Divisors: 1 5 19 95 602111 3010555 11440109 57200545