Base | Representation |
---|---|
bin | 101011001110… |
… | …1001111010111 |
3 | 1120122110101000 |
4 | 1112131033113 |
5 | 21300223101 |
6 | 2125434343 |
7 | 363433146 |
oct | 126351727 |
9 | 46573330 |
10 | 22664151 |
11 | 1187aa04 |
12 | 770b9b3 |
13 | 4906c53 |
14 | 301d75d |
15 | 1eca486 |
hex | 159d3d7 |
22664151 has 8 divisors (see below), whose sum is σ = 33576560. Its totient is φ = 15109416.
The previous prime is 22664141. The next prime is 22664153. The reversal of 22664151 is 15146622.
It is not a de Polignac number, because 22664151 - 26 = 22664087 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 839413 = 22664151 / (2 + 2 + 6 + 6 + 4 + 1 + 5 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22664153) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419680 + ... + 419733.
It is an arithmetic number, because the mean of its divisors is an integer number (4197070).
Almost surely, 222664151 is an apocalyptic number.
22664151 is a deficient number, since it is larger than the sum of its proper divisors (10912409).
22664151 is an equidigital number, since it uses as much as digits as its factorization.
22664151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 839422 (or 839416 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 22664151 is about 4760.6880805195. The cubic root of 22664151 is about 282.9956880646.
The spelling of 22664151 in words is "twenty-two million, six hundred sixty-four thousand, one hundred fifty-one".
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