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87252246 = 23243139811
BaseRepresentation
bin1010011001101…
…01110100010110
320002011212120200
411030311310112
5134314032441
612354041330
72106426504
oct514656426
9202155520
1087252246
11452849a4
1225279246
13150cc363
14b833674
1579d77b6
hex5335d16

87252246 has 48 divisors (see below), whose sum is σ = 195074880. Its totient is φ = 28168560.

The previous prime is 87252239. The next prime is 87252251. The reversal of 87252246 is 64225278.

It is a super-2 number, since 2×872522462 = 15225908864089032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87252246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107181 + ... + 107991.

It is an arithmetic number, because the mean of its divisors is an integer number (4064060).

Almost surely, 287252246 is an apocalyptic number.

87252246 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

87252246 is an abundant number, since it is smaller than the sum of its proper divisors (107822634).

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

87252246 is a wasteful number, since it uses less digits than its factorization.

87252246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 998 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 87252246 is about 9340.8910709846. The cubic root of 87252246 is about 443.5325918818.

The spelling of 87252246 in words is "eighty-seven million, two hundred fifty-two thousand, two hundred forty-six".

Divisors: 1 2 3 6 9 18 43 86 129 139 258 278 387 417 774 811 834 1251 1622 2433 2502 4866 5977 7299 11954 14598 17931 34873 35862 53793 69746 104619 107586 112729 209238 225458 313857 338187 627714 676374 1014561 2029122 4847347 9694694 14542041 29084082 43626123 87252246