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89148320 = 2552919213
BaseRepresentation
bin1010101000001…
…00101110100000
320012202012111122
411110010232200
5140310221240
612502431412
72131514432
oct524045640
9205665448
1089148320
114635a4a8
1225a32568
13156143b1
14bba8652
157c5e4b5
hex5504ba0

89148320 has 48 divisors (see below), whose sum is σ = 217886760. Its totient is φ = 34427904.

The previous prime is 89148317. The next prime is 89148329. The reversal of 89148320 is 2384198.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 87086224 + 2062096 = 9332^2 + 1436^2 .

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (89148329) 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, 4967 + ... + 14246.

Almost surely, 289148320 is an apocalyptic number.

89148320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89148320 is an abundant number, since it is smaller than the sum of its proper divisors (128738440).

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

89148320 is a wasteful number, since it uses less digits than its factorization.

89148320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19257 (or 19249 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 89148320 is about 9441.8388039619. The cubic root of 89148320 is about 446.7223910082.

The spelling of 89148320 in words is "eighty-nine million, one hundred forty-eight thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 80 116 145 160 232 290 464 580 928 1160 2320 4640 19213 38426 76852 96065 153704 192130 307408 384260 557177 614816 768520 1114354 1537040 2228708 2785885 3074080 4457416 5571770 8914832 11143540 17829664 22287080 44574160 89148320