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89207456 = 2513434987
BaseRepresentation
bin1010101000100…
…11001010100000
320012212012121212
411110103022200
5140314114311
612504005252
72132152022
oct524231240
9205765555
1089207456
114639a978
1225a60828
13156352a0
14bbc2012
157c71c8b
hex55132a0

89207456 has 48 divisors (see below), whose sum is σ = 193574304. Its totient is φ = 40207104.

The previous prime is 89207441. The next prime is 89207473. The reversal of 89207456 is 65470298.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15395 + ... + 20381.

It is an arithmetic number, because the mean of its divisors is an integer number (4032798).

Almost surely, 289207456 is an apocalyptic number.

89207456 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89207456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96787152).

89207456 is an abundant number, since it is smaller than the sum of its proper divisors (104366848).

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

89207456 is a wasteful number, since it uses less digits than its factorization.

89207456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053 (or 5045 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 89207456 is about 9444.9698781944. The cubic root of 89207456 is about 446.8211460425.

The spelling of 89207456 in words is "eighty-nine million, two hundred seven thousand, four hundred fifty-six".

Divisors: 1 2 4 8 13 16 26 32 43 52 86 104 172 208 344 416 559 688 1118 1376 2236 4472 4987 8944 9974 17888 19948 39896 64831 79792 129662 159584 214441 259324 428882 518648 857764 1037296 1715528 2074592 2787733 3431056 5575466 6862112 11150932 22301864 44603728 89207456