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87450716 = 2221862679
BaseRepresentation
bin1010011011001…
…10010001011100
320002112221211102
411031212101130
5134341410331
612402212232
72111214233
oct515462134
9202487742
1087450716
1145400021
1225354078
131516b7b2
14b885b1a
157a264cb
hex536645c

87450716 has 6 divisors (see below), whose sum is σ = 153038760. Its totient is φ = 43725356.

The previous prime is 87450707. The next prime is 87450733. The reversal of 87450716 is 61705478.

It is a self number, because there is not a number n which added to its sum of digits gives 87450716.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10931336 + ... + 10931343.

It is an arithmetic number, because the mean of its divisors is an integer number (25506460).

Almost surely, 287450716 is an apocalyptic number.

It is an amenable number.

87450716 is a deficient number, since it is larger than the sum of its proper divisors (65588044).

87450716 is a wasteful number, since it uses less digits than its factorization.

87450716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21862683 (or 21862681 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 87450716 is about 9351.5087552758. The cubic root of 87450716 is about 443.8686338634.

The spelling of 87450716 in words is "eighty-seven million, four hundred fifty thousand, seven hundred sixteen".

Divisors: 1 2 4 21862679 43725358 87450716