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87347716 = 2246732
BaseRepresentation
bin1010011010011…
…01001000000100
320002100201112121
411031031020010
5134330111331
612400055324
72110305031
oct515151004
9202321477
1087347716
114533a6a5
1225304544
1315133951
14b85a388
157a05c11
hex534d204

87347716 has 9 divisors (see below), whose sum is σ = 152891221. Its totient is φ = 43664512.

The previous prime is 87347651. The next prime is 87347719. The reversal of 87347716 is 61774378.

The square root of 87347716 is 9346.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 83722500 + 3625216 = 9150^2 + 1904^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87347719) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 16356 + ... + 21028.

Almost surely, 287347716 is an apocalyptic number.

87347716 is the 9346-th square number.

It is an amenable number.

87347716 is a deficient number, since it is larger than the sum of its proper divisors (65543505).

87347716 is an frugal number, since it uses more digits than its factorization.

87347716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9350 (or 4675 counting only the distinct ones).

The product of its digits is 197568, while the sum is 43.

The cubic root of 87347716 is about 443.6943016516.

The spelling of 87347716 in words is "eighty-seven million, three hundred forty-seven thousand, seven hundred sixteen".

Divisors: 1 2 4 4673 9346 18692 21836929 43673858 87347716