Base | Representation |
---|---|
bin | 1111101010111… |
… | …00011001010011 |
3 | 100011100101010020 |
4 | 13311130121103 |
5 | 232122403301 |
6 | 21013234523 |
7 | 3154211316 |
oct | 765343123 |
9 | 304311106 |
10 | 131450451 |
11 | 68222740 |
12 | 38032a43 |
13 | 21305a42 |
14 | 1365a97d |
15 | b818436 |
hex | 7d5c653 |
131450451 has 16 divisors (see below), whose sum is σ = 199514880. Its totient is φ = 76202720.
The previous prime is 131450411. The next prime is 131450467. The reversal of 131450451 is 154054131.
It is a happy number.
It is not a de Polignac number, because 131450451 - 210 = 131449427 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131450411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85836 + ... + 87353.
It is an arithmetic number, because the mean of its divisors is an integer number (12469680).
Almost surely, 2131450451 is an apocalyptic number.
131450451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
131450451 is a deficient number, since it is larger than the sum of its proper divisors (68064429).
131450451 is a wasteful number, since it uses less digits than its factorization.
131450451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173226.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 131450451 is about 11465.1842985623. The cubic root of 131450451 is about 508.4567613089.
The spelling of 131450451 in words is "one hundred thirty-one million, four hundred fifty thousand, four hundred fifty-one".
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