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88012988 = 22711327817
BaseRepresentation
bin1010011111011…
…11100010111100
320010121112010022
411033233202330
5140012403423
612422231312
72116045430
oct517574274
9203545108
1088012988
1145754508
1225585538
13153076bb
14b9909c0
157ad7dc8
hex53ef8bc

88012988 has 24 divisors (see below), whose sum is σ = 177590112. Its totient is φ = 37384704.

The previous prime is 88012987. The next prime is 88013011. The reversal of 88012988 is 88921088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88012987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10745 + ... + 17072.

It is an arithmetic number, because the mean of its divisors is an integer number (7399588).

Almost surely, 288012988 is an apocalyptic number.

It is an amenable number.

88012988 is an abundant number, since it is smaller than the sum of its proper divisors (89577124).

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

88012988 is a wasteful number, since it uses less digits than its factorization.

88012988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27941 (or 27939 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 44.

The square root of 88012988 is about 9381.5237568318. The cubic root of 88012988 is about 444.8178996536.

The spelling of 88012988 in words is "eighty-eight million, twelve thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 113 226 452 791 1582 3164 27817 55634 111268 194719 389438 778876 3143321 6286642 12573284 22003247 44006494 88012988