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88664423 = 139963377
BaseRepresentation
bin1010100100011…
…10100101100111
320011211121201112
411102032211213
5140144230143
612444215235
72124430601
oct522164547
9204747645
1088664423
1146059991
122583a51b
13154a5073
14bac0171
157bb5e18
hex548e967

88664423 has 4 divisors (see below), whose sum is σ = 88729200. Its totient is φ = 88599648.

The previous prime is 88664417. The next prime is 88664441. The reversal of 88664423 is 32446688.

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

It is a cyclic number.

It is not a de Polignac number, because 88664423 - 28 = 88664167 is a prime.

It is a super-2 number, since 2×886644232 = 15722759811845858, 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 (88664453) 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, 30290 + ... + 33087.

It is an arithmetic number, because the mean of its divisors is an integer number (22182300).

Almost surely, 288664423 is an apocalyptic number.

88664423 is a deficient number, since it is larger than the sum of its proper divisors (64777).

88664423 is a wasteful number, since it uses less digits than its factorization.

88664423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64776.

The product of its digits is 221184, while the sum is 41.

The square root of 88664423 is about 9416.1787897214. The cubic root of 88664423 is about 445.9126545757.

The spelling of 88664423 in words is "eighty-eight million, six hundred sixty-four thousand, four hundred twenty-three".

Divisors: 1 1399 63377 88664423