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88940609 = 233866983
BaseRepresentation
bin1010100110100…
…10000001000001
320012100122120122
411103102001001
5140232044414
612454150025
72126661032
oct523220101
9205318518
1088940609
114622843a
1225952315
13155709a4
14bb52a89
157c1cb8e
hex54d2041

88940609 has 4 divisors (see below), whose sum is σ = 92807616. Its totient is φ = 85073604.

The previous prime is 88940587. The next prime is 88940639. The reversal of 88940609 is 90604988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88940609 - 224 = 72163393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88940609.

It is not an unprimeable number, because it can be changed into a prime (88940639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1933469 + ... + 1933514.

It is an arithmetic number, because the mean of its divisors is an integer number (23201904).

Almost surely, 288940609 is an apocalyptic number.

It is an amenable number.

88940609 is a deficient number, since it is larger than the sum of its proper divisors (3867007).

88940609 is a wasteful number, since it uses less digits than its factorization.

88940609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867006.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 88940609 is about 9430.8328900474. The cubic root of 88940609 is about 446.3751744720.

The spelling of 88940609 in words is "eighty-eight million, nine hundred forty thousand, six hundred nine".

Divisors: 1 23 3866983 88940609