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88233288 = 233111347547
BaseRepresentation
bin1010100001001…
…01010101001000
320011000201022120
411100211111020
5140041431123
612431051240
72120653623
oct520452510
9204021276
1088233288
1145894a80
1225670b20
1315383a60
14ba0adba
157b2d2e3
hex5425548

88233288 has 128 divisors (see below), whose sum is σ = 265144320. Its totient is φ = 24111360.

The previous prime is 88233269. The next prime is 88233289.

88233288 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×882332882 = 15570226222581888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (88233289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161031 + ... + 161577.

It is an arithmetic number, because the mean of its divisors is an integer number (2071440).

Almost surely, 288233288 is an apocalyptic number.

88233288 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88233288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132572160).

88233288 is an abundant number, since it is smaller than the sum of its proper divisors (176911032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88233288 is a wasteful number, since it uses less digits than its factorization.

88233288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 623 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 88233288 is about 9393.2575819042. The cubic root of 88233288 is about 445.1887227127.

The spelling of 88233288 in words is "eighty-eight million, two hundred thirty-three thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 47 52 66 78 88 94 104 132 141 143 156 188 264 282 286 312 376 429 517 547 564 572 611 858 1034 1094 1128 1144 1222 1551 1641 1716 1833 2068 2188 2444 3102 3282 3432 3666 4136 4376 4888 6017 6204 6564 6721 7111 7332 12034 12408 13128 13442 14222 14664 18051 20163 21333 24068 25709 26884 28444 36102 40326 42666 48136 51418 53768 56888 72204 77127 78221 80652 85332 102836 144408 154254 156442 161304 170664 205672 234663 282799 308508 312884 334217 469326 565598 617016 625768 668434 848397 938652 1002651 1131196 1336868 1696794 1877304 2005302 2262392 2673736 3393588 3676387 4010604 6787176 7352774 8021208 11029161 14705548 22058322 29411096 44116644 88233288