Base | Representation |
---|---|
bin | 1010101101101… |
… | …01111001111000 |
3 | 20021010002000011 |
4 | 11112311321320 |
5 | 141001432130 |
6 | 12530151304 |
7 | 2140626304 |
oct | 526657170 |
9 | 207102004 |
10 | 89874040 |
11 | 46805773 |
12 | 26122534 |
13 | 15809809 |
14 | bd16d04 |
15 | 7d5452a |
hex | 55b5e78 |
89874040 has 16 divisors (see below), whose sum is σ = 202216680. Its totient is φ = 35949600.
The previous prime is 89874013. The next prime is 89874101. The reversal of 89874040 is 4047898.
It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2246851 = 89874040 / (8 + 9 + 8 + 7 + 4 + 0 + 4 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 89873984 and 89874002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123386 + ... + 1123465.
Almost surely, 289874040 is an apocalyptic number.
It is an amenable number.
89874040 is an abundant number, since it is smaller than the sum of its proper divisors (112342640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89874040 is a wasteful number, since it uses less digits than its factorization.
89874040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2246862 (or 2246858 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 40.
The square root of 89874040 is about 9480.1919811784. The cubic root of 89874040 is about 447.9313112164.
The spelling of 89874040 in words is "eighty-nine million, eight hundred seventy-four thousand, forty".
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