Base | Representation |
---|---|
bin | 10010001100000… |
… | …110111101111001 |
3 | 210021012221112001 |
4 | 102030012331321 |
5 | 1111110223103 |
6 | 50140421001 |
7 | 10363565260 |
oct | 2214067571 |
9 | 707187461 |
10 | 305164153 |
11 | 147291388 |
12 | 86247761 |
13 | 4b2b8508 |
14 | 2c7595d7 |
15 | 1bbce01d |
hex | 12306f79 |
305164153 has 4 divisors (see below), whose sum is σ = 348759040. Its totient is φ = 261569268.
The previous prime is 305164133. The next prime is 305164159. The reversal of 305164153 is 351461503.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 351461503 = 5981 ⋅58763.
It is a cyclic number.
It is not a de Polignac number, because 305164153 - 221 = 303067001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (305164159) 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, 21797433 + ... + 21797446.
It is an arithmetic number, because the mean of its divisors is an integer number (87189760).
Almost surely, 2305164153 is an apocalyptic number.
It is an amenable number.
305164153 is a deficient number, since it is larger than the sum of its proper divisors (43594887).
305164153 is an equidigital number, since it uses as much as digits as its factorization.
305164153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43594886.
The product of its (nonzero) digits is 5400, while the sum is 28.
The square root of 305164153 is about 17468.9482511112. The cubic root of 305164153 is about 673.2522893395.
The spelling of 305164153 in words is "three hundred five million, one hundred sixty-four thousand, one hundred fifty-three".
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