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525494080 = 2652396871
BaseRepresentation
bin11111010100100…
…110011101000000
31100121210212100201
4133110212131000
52034011302310
6124051054544
716010424466
oct3724463500
91317725321
10525494080
1124a69a531
12127ba1454
1384b40157
144db10836
1531201e3a
hex1f526740

525494080 has 56 divisors (see below), whose sum is σ = 1256751360. Its totient is φ = 209287680.

The previous prime is 525494071. The next prime is 525494083. The reversal of 525494080 is 80494525.

It is a super-2 number, since 2×5254940802 = 552288056230092800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525494083) 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, 73045 + ... + 79915.

Almost surely, 2525494080 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 525494080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628375680).

525494080 is an abundant number, since it is smaller than the sum of its proper divisors (731257280).

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

525494080 is a wasteful number, since it uses less digits than its factorization.

525494080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127 (or 7117 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 525494080 is about 22923.6576488134. The cubic root of 525494080 is about 806.9673112297.

The spelling of 525494080 in words is "five hundred twenty-five million, four hundred ninety-four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 239 320 478 956 1195 1912 2390 3824 4780 6871 7648 9560 13742 15296 19120 27484 34355 38240 54968 68710 76480 109936 137420 219872 274840 439744 549680 1099360 1642169 2198720 3284338 6568676 8210845 13137352 16421690 26274704 32843380 52549408 65686760 105098816 131373520 262747040 525494080