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89504688 = 24371331661
BaseRepresentation
bin1010101010110…
…11101110110000
320020102022100110
411111123232300
5140403122223
612514221320
72134530420
oct525335660
9206368313
1089504688
1146583219
1225b84840
131570a670
14bc5c480
157cced93
hex555bbb0

89504688 has 160 divisors (see below), whose sum is σ = 294203392. Its totient is φ = 22809600.

The previous prime is 89504683. The next prime is 89504689. The reversal of 89504688 is 88640598.

It is a super-2 number, since 2×895046882 = 16022178347954688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (89504683) 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, 135078 + ... + 135738.

Almost surely, 289504688 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 89504688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147101696).

89504688 is an abundant number, since it is smaller than the sum of its proper divisors (204698704).

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

89504688 is a wasteful number, since it uses less digits than its factorization.

89504688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 89504688 is about 9460.6917294667. The cubic root of 89504688 is about 447.3168531569.

89504688 divided by its sum of digits (48) gives a palindrome (1864681).

The spelling of 89504688 in words is "eighty-nine million, five hundred four thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 31 39 42 48 52 56 62 78 84 91 93 104 112 124 156 168 182 186 208 217 248 273 312 336 364 372 403 434 496 546 624 651 661 728 744 806 868 1092 1209 1302 1322 1456 1488 1612 1736 1983 2184 2418 2604 2644 2821 3224 3472 3966 4368 4627 4836 5208 5288 5642 6448 7932 8463 8593 9254 9672 10416 10576 11284 13881 15864 16926 17186 18508 19344 20491 22568 25779 27762 31728 33852 34372 37016 40982 45136 51558 55524 60151 61473 67704 68744 74032 81964 103116 111048 120302 122946 135408 137488 143437 163928 180453 206232 222096 240604 245892 266383 286874 327856 360906 412464 430311 481208 491784 532766 573748 721812 799149 860622 962416 983568 1065532 1147496 1443624 1598298 1721244 1864681 2131064 2294992 2887248 3196596 3442488 3729362 4262128 5594043 6393192 6884976 7458724 11188086 12786384 14917448 22376172 29834896 44752344 89504688