Base | Representation |
---|---|
bin | 100010010011… |
… | …000011000111 |
3 | 121220210020000 |
4 | 202103003013 |
5 | 4300202134 |
6 | 520412343 |
7 | 136264410 |
oct | 42230307 |
9 | 17823200 |
10 | 8990919 |
11 | 5091013 |
12 | 30170b3 |
13 | 1b2a492 |
14 | 12a0807 |
15 | bc8e99 |
hex | 8930c7 |
8990919 has 40 divisors (see below), whose sum is σ = 15600288. Its totient is φ = 5054400.
The previous prime is 8990887. The next prime is 8990929. The reversal of 8990919 is 9190998.
It is not a de Polignac number, because 8990919 - 25 = 8990887 is a prime.
It is a super-2 number, since 2×89909192 = 161673248929122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8990929) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 57189 + ... + 57345.
Almost surely, 28990919 is an apocalyptic number.
8990919 is a deficient number, since it is larger than the sum of its proper divisors (6609369).
8990919 is a wasteful number, since it uses less digits than its factorization.
8990919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277 (or 268 counting only the distinct ones).
The product of its (nonzero) digits is 52488, while the sum is 45.
The square root of 8990919 is about 2998.4861180269. The cubic root of 8990919 is about 207.9383986095.
The spelling of 8990919 in words is "eight million, nine hundred ninety thousand, nine hundred nineteen".
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