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5257578 = 23876263
BaseRepresentation
bin10100000011100101101010
3100220010001010
4110003211222
52321220303
6304404350
762455134
oct24034552
910803033
105257578
112a71107
1219166b6
1311210c1
149ac054
156dcc03
hex50396a

5257578 has 8 divisors (see below), whose sum is σ = 10515168. Its totient is φ = 1752524.

The previous prime is 5257559. The next prime is 5257583. The reversal of 5257578 is 8757525.

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

5257578 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438126 + ... + 438137.

It is an arithmetic number, because the mean of its divisors is an integer number (1314396).

Almost surely, 25257578 is an apocalyptic number.

5257578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5257578 is a wasteful number, since it uses less digits than its factorization.

5257578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876268.

The product of its digits is 98000, while the sum is 39.

The square root of 5257578 is about 2292.9409063471. The cubic root of 5257578 is about 173.8849153114.

It can be divided in two parts, 52 and 57578, that added together give a triangular number (57630 = T339).

The spelling of 5257578 in words is "five million, two hundred fifty-seven thousand, five hundred seventy-eight".

Divisors: 1 2 3 6 876263 1752526 2628789 5257578