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88041385 = 5171035781
BaseRepresentation
bin1010011111101…
…10011110101001
320010122222002001
411033312132221
5140014311020
612423011001
72116224265
oct517663651
9203588061
1088041385
1145773883
1225599a61
13153175c3
14b99b0a5
157ae150a
hex53f67a9

88041385 has 8 divisors (see below), whose sum is σ = 111864456. Its totient is φ = 66289920.

The previous prime is 88041379. The next prime is 88041409. The reversal of 88041385 is 58314088.

It can be written as a sum of positive squares in 4 ways, for example, as 824464 + 87216921 = 908^2 + 9339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 88041385 - 211 = 88039337 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 517806 + ... + 517975.

It is an arithmetic number, because the mean of its divisors is an integer number (13983057).

Almost surely, 288041385 is an apocalyptic number.

88041385 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

88041385 is a deficient number, since it is larger than the sum of its proper divisors (23823071).

88041385 is a wasteful number, since it uses less digits than its factorization.

88041385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035803.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 88041385 is about 9383.0370882780. The cubic root of 88041385 is about 444.8657340166.

The spelling of 88041385 in words is "eighty-eight million, forty-one thousand, three hundred eighty-five".

Divisors: 1 5 17 85 1035781 5178905 17608277 88041385