Base | Representation |
---|---|
bin | 1011010001100… |
… | …1111101101101 |
3 | 10021222200210112 |
4 | 2310121331231 |
5 | 44101323034 |
6 | 4405345405 |
7 | 1112656223 |
oct | 264317555 |
9 | 107880715 |
10 | 47292269 |
11 | 24771422 |
12 | 13a08265 |
13 | 9a4aabb |
14 | 63d0b13 |
15 | 42427ce |
hex | 2d19f6d |
47292269 has 4 divisors (see below), whose sum is σ = 47306844. Its totient is φ = 47277696.
The previous prime is 47292239. The next prime is 47292277. The reversal of 47292269 is 96229274.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 9223369 + 38068900 = 3037^2 + 6170^2 .
It is a cyclic number.
It is not a de Polignac number, because 47292269 - 28 = 47292013 is a prime.
It is a super-2 number, since 2×472922692 = 4473117414336722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47292239) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29 + ... + 9725.
It is an arithmetic number, because the mean of its divisors is an integer number (11826711).
Almost surely, 247292269 is an apocalyptic number.
It is an amenable number.
47292269 is a deficient number, since it is larger than the sum of its proper divisors (14575).
47292269 is an equidigital number, since it uses as much as digits as its factorization.
47292269 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14574.
The product of its digits is 108864, while the sum is 41.
The square root of 47292269 is about 6876.9374724509. The cubic root of 47292269 is about 361.6291109915.
The spelling of 47292269 in words is "forty-seven million, two hundred ninety-two thousand, two hundred sixty-nine".
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