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525382530 = 23583257821
BaseRepresentation
bin11111010100001…
…011001110000010
31100121121012100020
4133110023032002
52033444220110
6124044434310
716006451331
oct3724131602
91317535306
10525382530
1124a623742
12127b48996
1384b0144a
144dac1d18
15311cdd70
hex1f50b382

525382530 has 64 divisors (see below), whose sum is σ = 1282635648. Its totient is φ = 137707520.

The previous prime is 525382523. The next prime is 525382541. The reversal of 525382530 is 35283525.

It is a junction number, because it is equal to n+sod(n) for n = 525382491 and 525382500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639520 + ... + 640340.

It is an arithmetic number, because the mean of its divisors is an integer number (20041182).

Almost surely, 2525382530 is an apocalyptic number.

525382530 is an abundant number, since it is smaller than the sum of its proper divisors (757253118).

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

525382530 is a wasteful number, since it uses less digits than its factorization.

525382530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 525382530 is about 22921.2244437334. The cubic root of 525382530 is about 806.9102071460.

The spelling of 525382530 in words is "five hundred twenty-five million, three hundred eighty-two thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 83 166 249 257 415 498 514 771 821 830 1245 1285 1542 1642 2463 2490 2570 3855 4105 4926 7710 8210 12315 21331 24630 42662 63993 68143 106655 127986 136286 204429 210997 213310 319965 340715 408858 421994 632991 639930 681430 1022145 1054985 1265982 2044290 2109970 3164955 6329910 17512751 35025502 52538253 87563755 105076506 175127510 262691265 525382530