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87503052 = 223713227353
BaseRepresentation
bin1010011011100…
…11000011001100
320002122121121210
411031303003030
5134400044202
612403254420
72111522640
oct515630314
9202577553
1087503052
114543637a
122537a410
1315189570
14b89ac20
157a36c6c
hex53730cc

87503052 has 96 divisors (see below), whose sum is σ = 253112832. Its totient is φ = 22910976.

The previous prime is 87503047. The next prime is 87503057. The reversal of 87503052 is 25030578.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87503047) and next prime (87503057).

It is not an unprimeable number, because it can be changed into a prime (87503057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247708 + ... + 248060.

It is an arithmetic number, because the mean of its divisors is an integer number (2636592).

Almost surely, 287503052 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 87503052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126556416).

87503052 is an abundant number, since it is smaller than the sum of its proper divisors (165609780).

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

87503052 is a wasteful number, since it uses less digits than its factorization.

87503052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 87503052 is about 9354.3066017744. The cubic root of 87503052 is about 443.9571624932.

The spelling of 87503052 in words is "eighty-seven million, five hundred three thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 227 273 353 364 454 546 681 706 908 1059 1092 1362 1412 1589 2118 2471 2724 2951 3178 4236 4589 4767 4942 5902 6356 7413 8853 9178 9534 9884 11804 13767 14826 17706 18356 19068 20657 27534 29652 32123 35412 41314 55068 61971 64246 80131 82628 96369 123942 128492 160262 192738 240393 247884 320524 385476 480786 560917 961572 1041703 1121834 1682751 2083406 2243668 3125109 3365502 4166812 6250218 6731004 7291921 12500436 14583842 21875763 29167684 43751526 87503052