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89993256 = 23324115559
BaseRepresentation
bin1010101110100…
…11000000101000
320021100010112120
411113103000220
5141014241011
612532511240
72141634003
oct527230050
9207303476
1089993256
11468872a1
122617b520
131584bb62
14bd4853a
157d79a06
hex55d3028

89993256 has 32 divisors (see below), whose sum is σ = 225931200. Its totient is φ = 29871360.

The previous prime is 89993249. The next prime is 89993303. The reversal of 89993256 is 65239998.

It is a super-2 number, since 2×899932562 = 16197572250963072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89993199 and 89993208.

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 7 ways as a sum of consecutive naturals, for example, 1996 + ... + 13563.

It is an arithmetic number, because the mean of its divisors is an integer number (7060350).

Almost surely, 289993256 is an apocalyptic number.

It is an amenable number.

89993256 is an abundant number, since it is smaller than the sum of its proper divisors (135937944).

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

89993256 is a wasteful number, since it uses less digits than its factorization.

89993256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15809 (or 15805 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 51.

The square root of 89993256 is about 9486.4775338373. The cubic root of 89993256 is about 448.1292808229.

It can be divided in two parts, 89 and 993256, that added together give a triangular number (993345 = T1409).

The spelling of 89993256 in words is "eighty-nine million, nine hundred ninety-three thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 241 482 723 964 1446 1928 2892 5784 15559 31118 46677 62236 93354 124472 186708 373416 3749719 7499438 11249157 14998876 22498314 29997752 44996628 89993256