Base | Representation |
---|---|
bin | 1111100111110… |
… | …11101101110010 |
3 | 100010121020220112 |
4 | 13303323231302 |
5 | 232022220300 |
6 | 21000541322 |
7 | 3150641642 |
oct | 763735562 |
9 | 303536815 |
10 | 131054450 |
11 | 67a8216a |
12 | 37a81842 |
13 | 211c7717 |
14 | 13596522 |
15 | b78ae35 |
hex | 7cfbb72 |
131054450 has 24 divisors (see below), whose sum is σ = 249710580. Its totient is φ = 51142400.
The previous prime is 131054423. The next prime is 131054461. The reversal of 131054450 is 54450131.
It can be written as a sum of positive squares in 6 ways, for example, as 2163841 + 128890609 = 1471^2 + 11353^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29915 + ... + 34014.
Almost surely, 2131054450 is an apocalyptic number.
131054450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131054450 is a deficient number, since it is larger than the sum of its proper divisors (118656130).
131054450 is a wasteful number, since it uses less digits than its factorization.
131054450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63982 (or 63977 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 131054450 is about 11447.9015544335. The cubic root of 131054450 is about 507.9456639964.
The spelling of 131054450 in words is "one hundred thirty-one million, fifty-four thousand, four hundred fifty".
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