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87235216 = 245452201
BaseRepresentation
bin1010011001100…
…01101010010000
320002011000012221
411030301222100
5134313011331
612353430424
72106326035
oct514615220
9202130187
1087235216
1145273122
122526b414
13150c4693
14b82b38c
1579d2711
hex5331a90

87235216 has 10 divisors (see below), whose sum is σ = 169018262. Its totient is φ = 43617600.

The previous prime is 87235199. The next prime is 87235223. The reversal of 87235216 is 61253278.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79923600 + 7311616 = 8940^2 + 2704^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2726085 + ... + 2726116.

Almost surely, 287235216 is an apocalyptic number.

It is an amenable number.

87235216 is a deficient number, since it is larger than the sum of its proper divisors (81783046).

87235216 is a wasteful number, since it uses less digits than its factorization.

87235216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452209 (or 5452203 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 87235216 is about 9339.9794432322. The cubic root of 87235216 is about 443.5037335931.

The spelling of 87235216 in words is "eighty-seven million, two hundred thirty-five thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 5452201 10904402 21808804 43617608 87235216