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87445496 = 2310930687
BaseRepresentation
bin1010011011001…
…00111111111000
320002112200200002
411031210333320
5134341223441
612402132132
72111163065
oct515447770
9202480602
1087445496
11453a7106
1225351048
13151692c8
14b883c6c
157a24b9b
hex5364ff8

87445496 has 8 divisors (see below), whose sum is σ = 163960320. Its totient is φ = 43722744.

The previous prime is 87445487. The next prime is 87445507. The reversal of 87445496 is 69454478.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 87445496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5465336 + ... + 5465351.

It is an arithmetic number, because the mean of its divisors is an integer number (20495040).

Almost surely, 287445496 is an apocalyptic number.

It is an amenable number.

87445496 is a deficient number, since it is larger than the sum of its proper divisors (76514824).

87445496 is a wasteful number, since it uses less digits than its factorization.

87445496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10930693 (or 10930689 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 87445496 is about 9351.2296517624. The cubic root of 87445496 is about 443.8598020684.

The spelling of 87445496 in words is "eighty-seven million, four hundred forty-five thousand, four hundred ninety-six".

Divisors: 1 2 4 8 10930687 21861374 43722748 87445496