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88391424 = 2831110463
BaseRepresentation
bin1010100010010…
…11111100000000
320011022202020110
411101023330000
5140112011144
612434311320
72122212642
oct521137400
9204282213
1088391424
1145992870
1225728540
131540aa24
14ba4c892
157b600b9
hex544bf00

88391424 has 72 divisors (see below), whose sum is σ = 256660992. Its totient is φ = 26782720.

The previous prime is 88391423. The next prime is 88391467. The reversal of 88391424 is 42419388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88391423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3217 + ... + 13679.

It is an arithmetic number, because the mean of its divisors is an integer number (3564736).

Almost surely, 288391424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88391424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128330496).

88391424 is an abundant number, since it is smaller than the sum of its proper divisors (168269568).

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

88391424 is a wasteful number, since it uses less digits than its factorization.

88391424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10493 (or 10479 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 88391424 is about 9401.6713407777. The cubic root of 88391424 is about 445.4545269572.

The spelling of 88391424 in words is "eighty-eight million, three hundred ninety-one thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 528 704 768 1056 1408 2112 2816 4224 8448 10463 20926 31389 41852 62778 83704 115093 125556 167408 230186 251112 334816 345279 460372 502224 669632 690558 920744 1004448 1339264 1381116 1841488 2008896 2678528 2762232 3682976 4017792 5524464 7365952 8035584 11048928 14731904 22097856 29463808 44195712 88391424