Base | Representation |
---|---|
bin | 1100000010010111011111 |
3 | 12221022102112 |
4 | 30002113133 |
5 | 1301433143 |
6 | 151344235 |
7 | 35551325 |
oct | 14022737 |
9 | 5838375 |
10 | 3155423 |
11 | 1865797 |
12 | 108207b |
13 | 86631b |
14 | 5c1d15 |
15 | 424e18 |
hex | 3025df |
3155423 has 4 divisors (see below), whose sum is σ = 3165288. Its totient is φ = 3145560.
The previous prime is 3155417. The next prime is 3155429. The reversal of 3155423 is 3245513.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3245513 = 1523 ⋅2131.
It is an interprime number because it is at equal distance from previous prime (3155417) and next prime (3155429).
It is a cyclic number.
It is not a de Polignac number, because 3155423 - 24 = 3155407 is a prime.
It is a d-powerful number, because it can be written as 3 + 1 + 5 + 55 + 410 + 221 + 38 .
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3155429) 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, 4436 + ... + 5097.
It is an arithmetic number, because the mean of its divisors is an integer number (791322).
Almost surely, 23155423 is an apocalyptic number.
3155423 is a deficient number, since it is larger than the sum of its proper divisors (9865).
3155423 is an equidigital number, since it uses as much as digits as its factorization.
3155423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9864.
The product of its digits is 1800, while the sum is 23.
The square root of 3155423 is about 1776.3510351279. The cubic root of 3155423 is about 146.6737949933.
The spelling of 3155423 in words is "three million, one hundred fifty-five thousand, four hundred twenty-three".
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