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88112269 = 712587467
BaseRepresentation
bin1010100000001…
…11110010001101
320010210120022101
411100013302031
5140024043034
612424315101
72116641040
oct520076215
9203716271
1088112269
1145812063
1225612a91
131534094b
14b9b8c57
157b07514
hex5407c8d

88112269 has 4 divisors (see below), whose sum is σ = 100699744. Its totient is φ = 75524796.

The previous prime is 88112249. The next prime is 88112273. The reversal of 88112269 is 96221188.

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 88112269 - 221 = 86015117 is a prime.

It is a super-2 number, since 2×881122692 = 15527543896656722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88112249) 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, 6293727 + ... + 6293740.

It is an arithmetic number, because the mean of its divisors is an integer number (25174936).

Almost surely, 288112269 is an apocalyptic number.

It is an amenable number.

88112269 is a deficient number, since it is larger than the sum of its proper divisors (12587475).

88112269 is a wasteful number, since it uses less digits than its factorization.

88112269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12587474.

The product of its digits is 13824, while the sum is 37.

The square root of 88112269 is about 9386.8135701099. The cubic root of 88112269 is about 444.9850922919.

The spelling of 88112269 in words is "eighty-eight million, one hundred twelve thousand, two hundred sixty-nine".

Divisors: 1 7 12587467 88112269