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87416812 = 2277873967
BaseRepresentation
bin1010011010111…
…01111111101100
320002111020022201
411031131333230
5134334314222
612401351244
72111013340
oct515357754
9202436281
1087416812
11453875aa
1225338524
1315159232
14b877620
157a1b427
hex535dfec

87416812 has 24 divisors (see below), whose sum is σ = 175099904. Its totient is φ = 37407312.

The previous prime is 87416809. The next prime is 87416837. The reversal of 87416812 is 21861478.

It is a nialpdrome in base 14.

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, 20053 + ... + 24019.

Almost surely, 287416812 is an apocalyptic number.

It is an amenable number.

87416812 is an abundant number, since it is smaller than the sum of its proper divisors (87683092).

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

87416812 is a wasteful number, since it uses less digits than its factorization.

87416812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765 (or 4763 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 87416812 is about 9349.6958239292. The cubic root of 87416812 is about 443.8112649130.

The spelling of 87416812 in words is "eighty-seven million, four hundred sixteen thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 787 1574 3148 3967 5509 7934 11018 15868 22036 27769 55538 111076 3122029 6244058 12488116 21854203 43708406 87416812