Base | Representation |
---|---|
bin | 10010010111110… |
… | …01111110111111 |
3 | 101201222220110011 |
4 | 21023321332333 |
5 | 303423203111 |
6 | 23143124051 |
7 | 3550651606 |
oct | 1113717677 |
9 | 351886404 |
10 | 154116031 |
11 | 79aa3723 |
12 | 43743627 |
13 | 25c10524 |
14 | 1667aa3d |
15 | d7e4021 |
hex | 92f9fbf |
154116031 has 4 divisors (see below), whose sum is σ = 160816752. Its totient is φ = 147415312.
The previous prime is 154116019. The next prime is 154116041. The reversal of 154116031 is 130611451.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 154116031 - 27 = 154115903 is a prime.
It is a super-2 number, since 2×1541160312 = 47503502022385922, 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 = 154115993 and 154116011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154116041) 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, 3350326 + ... + 3350371.
It is an arithmetic number, because the mean of its divisors is an integer number (40204188).
Almost surely, 2154116031 is an apocalyptic number.
154116031 is a deficient number, since it is larger than the sum of its proper divisors (6700721).
154116031 is an equidigital number, since it uses as much as digits as its factorization.
154116031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6700720.
The product of its (nonzero) digits is 360, while the sum is 22.
The square root of 154116031 is about 12414.3477879428. The cubic root of 154116031 is about 536.1454260759.
Adding to 154116031 its reverse (130611451), we get a palindrome (284727482).
The spelling of 154116031 in words is "one hundred fifty-four million, one hundred sixteen thousand, thirty-one".
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