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87079348 = 2221769837
BaseRepresentation
bin1010011000010…
…11100110110100
320001212002102001
411030023212310
5134243014343
612350225044
72105106436
oct514134664
9201762361
1087079348
1145177004
12251b5184
131506b755
14b7ca656
1579a144d
hex530b9b4

87079348 has 6 divisors (see below), whose sum is σ = 152388866. Its totient is φ = 43539672.

The previous prime is 87079313. The next prime is 87079351. The reversal of 87079348 is 84397078.

It can be written as a sum of positive squares in only one way, i.e., 58798224 + 28281124 = 7668^2 + 5318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 87079298 and 87079307.

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, 10884915 + ... + 10884922.

Almost surely, 287079348 is an apocalyptic number.

It is an amenable number.

87079348 is a deficient number, since it is larger than the sum of its proper divisors (65309518).

87079348 is a wasteful number, since it uses less digits than its factorization.

87079348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21769841 (or 21769839 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 87079348 is about 9331.6315829548. The cubic root of 87079348 is about 443.2394318746.

The spelling of 87079348 in words is "eighty-seven million, seventy-nine thousand, three hundred forty-eight".

Divisors: 1 2 4 21769837 43539674 87079348