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525250940 = 225199713151
BaseRepresentation
bin11111010011101…
…011000101111100
31100121100111211112
4133103223011330
52033431012230
6124041541152
716005362564
oct3723530574
91317314745
10525250940
1124a543895
12127aa47b8
1384a86596
144da89da4
15311a4d95
hex1f4eb17c

525250940 has 24 divisors (see below), whose sum is σ = 1103663232. Its totient is φ = 209979200.

The previous prime is 525250907. The next prime is 525250961. The reversal of 525250940 is 49052525.

It is a junction number, because it is equal to n+sod(n) for n = 525250897 and 525250906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33365 + ... + 46515.

It is an arithmetic number, because the mean of its divisors is an integer number (45985968).

Almost surely, 2525250940 is an apocalyptic number.

It is an amenable number.

525250940 is an abundant number, since it is smaller than the sum of its proper divisors (578412292).

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

525250940 is a wasteful number, since it uses less digits than its factorization.

525250940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15157 (or 15155 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 525250940 is about 22918.3537803220. The cubic root of 525250940 is about 806.8428338993.

The spelling of 525250940 in words is "five hundred twenty-five million, two hundred fifty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 1997 3994 7988 9985 13151 19970 26302 39940 52604 65755 131510 263020 26262547 52525094 105050188 131312735 262625470 525250940