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89222688 = 2533372791
BaseRepresentation
bin1010101000101…
…10111000100000
320012212222112000
411110112320200
5140320111223
612504204000
72132244312
oct524267040
9205788460
1089222688
1146400365
1225a69600
131563c1b9
14bbc77b2
157c76543
hex5516e20

89222688 has 96 divisors (see below), whose sum is σ = 267361920. Its totient is φ = 28926720.

The previous prime is 89222677. The next prime is 89222701. The reversal of 89222688 is 88622298.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30573 + ... + 33363.

It is an arithmetic number, because the mean of its divisors is an integer number (2785020).

Almost surely, 289222688 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 89222688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133680960).

89222688 is an abundant number, since it is smaller than the sum of its proper divisors (178139232).

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

89222688 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (89222687) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (2833).

89222688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847 (or 2833 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 89222688 is about 9445.7761989156. The cubic root of 89222688 is about 446.8465758764.

The spelling of 89222688 in words is "eighty-nine million, two hundred twenty-two thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 54 72 74 96 108 111 144 148 216 222 288 296 333 432 444 592 666 864 888 999 1184 1332 1776 1998 2664 2791 3552 3996 5328 5582 7992 8373 10656 11164 15984 16746 22328 25119 31968 33492 44656 50238 66984 75357 89312 100476 103267 133968 150714 200952 206534 267936 301428 309801 401904 413068 602856 619602 803808 826136 929403 1205712 1239204 1652272 1858806 2411424 2478408 2788209 3304544 3717612 4956816 5576418 7435224 9913632 11152836 14870448 22305672 29740896 44611344 89222688