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87487296 = 2631335051
BaseRepresentation
bin1010011011011…
…11001101000000
320002121211000020
411031233031000
5134344043141
612403053440
72111426001
oct515571500
9202554006
1087487296
1145425556
1225371280
1315182340
14b8951a8
157a32266
hex536f340

87487296 has 56 divisors (see below), whose sum is σ = 249289824. Its totient is φ = 26918400.

The previous prime is 87487291. The next prime is 87487297. The reversal of 87487296 is 69278478.

It is a super-2 number, since 2×874872962 = 15308053922783232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87487291) 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 7 ways as a sum of consecutive naturals, for example, 15030 + ... + 20021.

It is an arithmetic number, because the mean of its divisors is an integer number (4451604).

Almost surely, 287487296 is an apocalyptic number.

It is an amenable number.

87487296 is an abundant number, since it is smaller than the sum of its proper divisors (161802528).

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

87487296 is a wasteful number, since it uses less digits than its factorization.

87487296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35079 (or 35069 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The square root of 87487296 is about 9353.4643849218. The cubic root of 87487296 is about 443.9305142458.

The spelling of 87487296 in words is "eighty-seven million, four hundred eighty-seven thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 416 624 832 1248 2496 35051 70102 105153 140204 210306 280408 420612 455663 560816 841224 911326 1121632 1366989 1682448 1822652 2243264 2733978 3364896 3645304 5467956 6729792 7290608 10935912 14581216 21871824 29162432 43743648 87487296