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88076965 = 517615393
BaseRepresentation
bin1010011111111…
…11001010100101
320010201202212211
411033333022211
5140021430330
612423443421
72116433104
oct517771245
9203652784
1088076965
1145798589
12255b6571
131532a862
14b9aa03b
157aebd2a
hex53ff2a5

88076965 has 4 divisors (see below), whose sum is σ = 105692364. Its totient is φ = 70461568.

The previous prime is 88076957. The next prime is 88076977. The reversal of 88076965 is 56967088.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9541921 + 78535044 = 3089^2 + 8862^2 .

It is a cyclic number.

It is not a de Polignac number, because 88076965 - 23 = 88076957 is a prime.

It is a super-2 number, since 2×880769652 = 15515103527222450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8807692 + ... + 8807701.

It is an arithmetic number, because the mean of its divisors is an integer number (26423091).

Almost surely, 288076965 is an apocalyptic number.

It is an amenable number.

88076965 is a deficient number, since it is larger than the sum of its proper divisors (17615399).

88076965 is a wasteful number, since it uses less digits than its factorization.

88076965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17615398.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 88076965 is about 9384.9328713635. The cubic root of 88076965 is about 444.9256535308.

The spelling of 88076965 in words is "eighty-eight million, seventy-six thousand, nine hundred sixty-five".

Divisors: 1 5 17615393 88076965