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525392 = 2474691
BaseRepresentation
bin10000000010001010000
3222200200222
42000101100
5113303032
615132212
74315520
oct2002120
9880628
10525392
1132980a
12214068
131551aa
14d9680
15a5a12
hex80450

525392 has 20 divisors (see below), whose sum is σ = 1163616. Its totient is φ = 225120.

The previous prime is 525391. The next prime is 525397. The reversal of 525392 is 293525.

It is a d-powerful number, because it can be written as 5 + 2 + 35 + 53 + 93 + 219 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525392.

It is not an unprimeable number, because it can be changed into a prime (525391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2234 + ... + 2457.

2525392 is an apocalyptic number.

It is an amenable number.

525392 is an abundant number, since it is smaller than the sum of its proper divisors (638224).

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

525392 is a wasteful number, since it uses less digits than its factorization.

525392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706 (or 4700 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 525392 is about 724.8392925332. The cubic root of 525392 is about 80.6915055292.

The spelling of 525392 in words is "five hundred twenty-five thousand, three hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 4691 9382 18764 32837 37528 65674 75056 131348 262696 525392