Base | Representation |
---|---|
bin | 110101000010101… |
… | …100011110011001 |
3 | 2022000111112210201 |
4 | 311002230132121 |
5 | 3310303231110 |
6 | 224145342201 |
7 | 31024005310 |
oct | 6502543631 |
9 | 2260445721 |
10 | 889898905 |
11 | 417363245 |
12 | 20a037961 |
13 | 11249aacc |
14 | 8628b277 |
15 | 531d3b3a |
hex | 350ac799 |
889898905 has 16 divisors (see below), whose sum is σ = 1221162624. Its totient is φ = 609851520.
The previous prime is 889898903. The next prime is 889898921. The reversal of 889898905 is 509898988.
889898905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 889898905 - 21 = 889898903 is a prime.
It is a super-2 number, since 2×8898989052 = 1583840122240398050, which contains 22 as substring.
It is a Duffinian number.
It is a plaindrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (889898903) 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, 60310 + ... + 73600.
It is an arithmetic number, because the mean of its divisors is an integer number (76322664).
Almost surely, 2889898905 is an apocalyptic number.
It is an amenable number.
889898905 is a deficient number, since it is larger than the sum of its proper divisors (331263719).
889898905 is a wasteful number, since it uses less digits than its factorization.
889898905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15216.
The product of its (nonzero) digits is 14929920, while the sum is 64.
The square root of 889898905 is about 29831.1733761849. The cubic root of 889898905 is about 961.8637495178.
The spelling of 889898905 in words is "eight hundred eighty-nine million, eight hundred ninety-eight thousand, nine hundred five".
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