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525416268 = 2231325092
BaseRepresentation
bin11111010100010…
…011011101001100
31100121122220121210
4133110103131030
52034001310033
6124045254420
716006651566
oct3724233514
91317586553
10525416268
1124a647023
12127b64410
1384b13900
144dad0336
15311d8d63
hex1f51374c

525416268 has 54 divisors (see below), whose sum is σ = 1330144284. Its totient is φ = 161348928.

The previous prime is 525416261. The next prime is 525416273. The reversal of 525416268 is 862614525.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (525416261) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1031998 + ... + 1032506.

Almost surely, 2525416268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525416268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665072142).

525416268 is an abundant number, since it is smaller than the sum of its proper divisors (804728016).

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

525416268 is a wasteful number, since it uses less digits than its factorization.

525416268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 527 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 525416268 is about 22921.9603873665. The cubic root of 525416268 is about 806.9274789764.

The spelling of 525416268 in words is "five hundred twenty-five million, four hundred sixteen thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 338 507 509 676 1014 1018 1527 2028 2036 3054 6108 6617 13234 19851 26468 39702 79404 86021 172042 258063 259081 344084 516126 518162 777243 1032252 1036324 1554486 3108972 3368053 6736106 10104159 13472212 20208318 40416636 43784689 87569378 131354067 175138756 262708134 525416268