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88023239 = 271324809
BaseRepresentation
bin1010011111100…
…10000011000111
320010122001011222
411033302003013
5140013220424
612422350555
72116120343
oct517620307
9203561158
1088023239
1145761187
122558b45b
131530c275
14b994623
157adae5e
hex53f20c7

88023239 has 4 divisors (see below), whose sum is σ = 88348320. Its totient is φ = 87698160.

The previous prime is 88023233. The next prime is 88023241. The reversal of 88023239 is 93232088.

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 88023239 - 212 = 88019143 is a prime.

It is a super-2 number, since 2×880232392 = 15496181208102242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88023199 and 88023208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88023233) 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, 162134 + ... + 162675.

It is an arithmetic number, because the mean of its divisors is an integer number (22087080).

Almost surely, 288023239 is an apocalyptic number.

88023239 is a deficient number, since it is larger than the sum of its proper divisors (325081).

88023239 is a wasteful number, since it uses less digits than its factorization.

88023239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325080.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 88023239 is about 9382.0700807444. The cubic root of 88023239 is about 444.8351685112.

The spelling of 88023239 in words is "eighty-eight million, twenty-three thousand, two hundred thirty-nine".

Divisors: 1 271 324809 88023239