Base | Representation |
---|---|
bin | 11110010100100… |
… | …11111101010111 |
3 | 122201121220021202 |
4 | 33022103331113 |
5 | 1010104031211 |
6 | 41123503115 |
7 | 6206015342 |
oct | 1712237527 |
9 | 581556252 |
10 | 254361431 |
11 | 120642565 |
12 | 71227a9b |
13 | 4090b92c |
14 | 25ad3459 |
15 | 174e653b |
hex | f293f57 |
254361431 has 4 divisors (see below), whose sum is σ = 254410200. Its totient is φ = 254312664.
The previous prime is 254361409. The next prime is 254361433. The reversal of 254361431 is 134163452.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-254361431 is a prime.
It is a super-2 number, since 2×2543614312 = 129399475160735522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 254361394 and 254361403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (254361433) 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, 15476 + ... + 27353.
It is an arithmetic number, because the mean of its divisors is an integer number (63602550).
Almost surely, 2254361431 is an apocalyptic number.
254361431 is a deficient number, since it is larger than the sum of its proper divisors (48769).
254361431 is an equidigital number, since it uses as much as digits as its factorization.
254361431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48768.
The product of its digits is 8640, while the sum is 29.
The square root of 254361431 is about 15948.7125185703. The cubic root of 254361431 is about 633.6027981383.
The spelling of 254361431 in words is "two hundred fifty-four million, three hundred sixty-one thousand, four hundred thirty-one".
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