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89134480 = 2453730113
BaseRepresentation
bin1010101000000…
…01010110010000
320012201111112001
411110001112100
5140304300410
612502243344
72131426201
oct524012620
9205644461
1089134480
1146350066
1225a26554
131560acc6
14bba35a8
157c5a33a
hex5501590

89134480 has 40 divisors (see below), whose sum is σ = 212845752. Its totient is φ = 34689024.

The previous prime is 89134459. The next prime is 89134489. The reversal of 89134480 is 8443198.

It can be written as a sum of positive squares in 4 ways, for example, as 46676224 + 42458256 = 6832^2 + 6516^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89134489) 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, 12097 + ... + 18016.

Almost surely, 289134480 is an apocalyptic number.

89134480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89134480 is an abundant number, since it is smaller than the sum of its proper divisors (123711272).

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

89134480 is a wasteful number, since it uses less digits than its factorization.

89134480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30163 (or 30157 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 89134480 is about 9441.1058674289. The cubic root of 89134480 is about 446.6992723902.

The spelling of 89134480 in words is "eighty-nine million, one hundred thirty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 37 40 74 80 148 185 296 370 592 740 1480 2960 30113 60226 120452 150565 240904 301130 481808 602260 1114181 1204520 2228362 2409040 4456724 5570905 8913448 11141810 17826896 22283620 44567240 89134480