Base | Representation |
---|---|
bin | 10000110110100110… |
… | …00010001101100100 |
3 | 212100120020102002220 |
4 | 20123103002031210 |
5 | 122012231043340 |
6 | 4053452032340 |
7 | 440133650040 |
oct | 103323021544 |
9 | 25316212086 |
10 | 9047909220 |
11 | 3923344129 |
12 | 19061626b0 |
13 | b12685b4c |
14 | 61b927020 |
15 | 37e4e1ed0 |
hex | 21b4c2364 |
9047909220 has 96 divisors (see below), whose sum is σ = 28972919808. Its totient is φ = 2066692992.
The previous prime is 9047909191. The next prime is 9047909239. The reversal of 9047909220 is 229097409.
It is a super-2 number, since 2×90479092202 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 693679 + ... + 706601.
It is an arithmetic number, because the mean of its divisors is an integer number (301801248).
Almost surely, 29047909220 is an apocalyptic number.
It is an amenable number.
9047909220 is an abundant number, since it is smaller than the sum of its proper divisors (19925010588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9047909220 is a wasteful number, since it uses less digits than its factorization.
9047909220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14609 (or 14607 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 42.
The square root of 9047909220 is about 95120.4984217387. The cubic root of 9047909220 is about 2083.7682261953.
The spelling of 9047909220 in words is "nine billion, forty-seven million, nine hundred nine thousand, two hundred twenty".
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