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5257445 = 531107317
BaseRepresentation
bin10100000011100011100101
3100220002212012
4110003203211
52321214240
6304404005
762454554
oct24034345
910802765
105257445
112a70aa6
121916605
13112101b
149abd9b
156dcb65
hex5038e5

5257445 has 16 divisors (see below), whose sum is σ = 6594048. Its totient is φ = 4019520.

The previous prime is 5257393. The next prime is 5257451. The reversal of 5257445 is 5447525.

It is not a de Polignac number, because 5257445 - 212 = 5253349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16427 + ... + 16743.

It is an arithmetic number, because the mean of its divisors is an integer number (412128).

Almost surely, 25257445 is an apocalyptic number.

It is an amenable number.

5257445 is a deficient number, since it is larger than the sum of its proper divisors (1336603).

5257445 is a wasteful number, since it uses less digits than its factorization.

5257445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its digits is 28000, while the sum is 32.

The square root of 5257445 is about 2292.9119041080. The cubic root of 5257445 is about 173.8834490539.

The spelling of 5257445 in words is "five million, two hundred fifty-seven thousand, four hundred forty-five".

Divisors: 1 5 31 107 155 317 535 1585 3317 9827 16585 33919 49135 169595 1051489 5257445