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88888997 = 2331124669
BaseRepresentation
bin1010100110001…
…01011010100101
320012021000210002
411103011122211
5140223421442
612453111045
72126354411
oct523053245
9205230702
1088888997
11461a268a
1225928485
1315553352
14bb3bd41
157c0c732
hex54c56a5

88888997 has 8 divisors (see below), whose sum is σ = 95746560. Its totient is φ = 82280880.

The previous prime is 88888981. The next prime is 88888999. The reversal of 88888997 is 79988888.

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

It is a cyclic number.

It is not a de Polignac number, because 88888997 - 24 = 88888981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88888999) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 61622 + ... + 63047.

It is an arithmetic number, because the mean of its divisors is an integer number (11968320).

Almost surely, 288888997 is an apocalyptic number.

It is an amenable number.

88888997 is a deficient number, since it is larger than the sum of its proper divisors (6857563).

88888997 is a wasteful number, since it uses less digits than its factorization.

88888997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124723.

The product of its digits is 18579456, while the sum is 65.

The square root of 88888997 is about 9428.0961492764. The cubic root of 88888997 is about 446.2888143209.

The spelling of 88888997 in words is "eighty-eight million, eight hundred eighty-eight thousand, nine hundred ninety-seven".

Divisors: 1 23 31 713 124669 2867387 3864739 88888997