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89132320 = 2554791163
BaseRepresentation
bin1010101000000…
…00110100100000
320012201101120001
411110000310200
5140304213240
612502225344
72131416664
oct524006440
9205641501
1089132320
1146349482
1225a25254
131560a024
14bba28a4
157c5989a
hex5500d20

89132320 has 48 divisors (see below), whose sum is σ = 211196160. Its totient is φ = 35547904.

The previous prime is 89132317. The next prime is 89132321. The reversal of 89132320 is 2323198.

It is not an unprimeable number, because it can be changed into a prime (89132321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76059 + ... + 77221.

It is an arithmetic number, because the mean of its divisors is an integer number (4399920).

Almost surely, 289132320 is an apocalyptic number.

89132320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89132320 is an abundant number, since it is smaller than the sum of its proper divisors (122063840).

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

89132320 is a wasteful number, since it uses less digits than its factorization.

89132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 89132320 is about 9440.9914733570. The cubic root of 89132320 is about 446.6956640663.

The spelling of 89132320 in words is "eighty-nine million, one hundred thirty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 479 958 1163 1916 2326 2395 3832 4652 4790 5815 7664 9304 9580 11630 15328 18608 19160 23260 37216 38320 46520 76640 93040 186080 557077 1114154 2228308 2785385 4456616 5570770 8913232 11141540 17826464 22283080 44566160 89132320