Base | Representation |
---|---|
bin | 1010101000110… |
… | …01000001101110 |
3 | 20012220102120021 |
4 | 11110121001232 |
5 | 140320401340 |
6 | 12504312354 |
7 | 2132312026 |
oct | 524310156 |
9 | 205812507 |
10 | 89231470 |
11 | 46406a19 |
12 | 25a726ba |
13 | 156431b3 |
14 | bbcaa86 |
15 | 7c78e4a |
hex | 551906e |
89231470 has 32 divisors (see below), whose sum is σ = 171445248. Its totient is φ = 33320448.
The previous prime is 89231459. The next prime is 89231479. The reversal of 89231470 is 7413298.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89231479) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19524 + ... + 23656.
It is an arithmetic number, because the mean of its divisors is an integer number (5357664).
Almost surely, 289231470 is an apocalyptic number.
89231470 is a deficient number, since it is larger than the sum of its proper divisors (82213778).
89231470 is a wasteful number, since it uses less digits than its factorization.
89231470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4284.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 89231470 is about 9446.2410513389. The cubic root of 89231470 is about 446.8612361158.
The spelling of 89231470 in words is "eighty-nine million, two hundred thirty-one thousand, four hundred seventy".
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