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87008368 = 245438023
BaseRepresentation
bin1010010111110…
…10010001110000
320001201111001011
411023322101300
5134233231433
612344520304
72104362466
oct513722160
9201644034
1087008368
1145128747
1225180094
1315045355
14b7ac836
15798a3cd
hex52fa470

87008368 has 10 divisors (see below), whose sum is σ = 168578744. Its totient is φ = 43504176.

The previous prime is 87008357. The next prime is 87008407. The reversal of 87008368 is 86380078.

It is a super-2 number, since 2×870083682 = 15140912204046848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87008368.

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, 2718996 + ... + 2719027.

Almost surely, 287008368 is an apocalyptic number.

It is an amenable number.

87008368 is a deficient number, since it is larger than the sum of its proper divisors (81570376).

87008368 is a wasteful number, since it uses less digits than its factorization.

87008368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438031 (or 5438025 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 87008368 is about 9327.8276141876. The cubic root of 87008368 is about 443.1189682298.

The spelling of 87008368 in words is "eighty-seven million, eight thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 5438023 10876046 21752092 43504184 87008368