Base | Representation |
---|---|
bin | 1111101001001… |
… | …10100101100110 |
3 | 100010221011210101 |
4 | 13310212211212 |
5 | 232043330204 |
6 | 21004414314 |
7 | 3152302624 |
oct | 764464546 |
9 | 303834711 |
10 | 131230054 |
11 | 6809209a |
12 | 37b4739a |
13 | 21259627 |
14 | 13600514 |
15 | b7c2ea4 |
hex | 7d26966 |
131230054 has 8 divisors (see below), whose sum is σ = 196948728. Its totient is φ = 65580480.
The previous prime is 131230051. The next prime is 131230087. The reversal of 131230054 is 450032131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131230051) 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, 12232 + ... + 20299.
It is an arithmetic number, because the mean of its divisors is an integer number (24618591).
Almost surely, 2131230054 is an apocalyptic number.
131230054 is a deficient number, since it is larger than the sum of its proper divisors (65718674).
131230054 is a wasteful number, since it uses less digits than its factorization.
131230054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34550.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 131230054 is about 11455.5686895064. The cubic root of 131230054 is about 508.1724335582.
Adding to 131230054 its reverse (450032131), we get a palindrome (581262185).
The spelling of 131230054 in words is "one hundred thirty-one million, two hundred thirty thousand, fifty-four".
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