Base | Representation |
---|---|
bin | 1111101001100… |
… | …01010100110100 |
3 | 100011000102010100 |
4 | 13310301110310 |
5 | 232101232121 |
6 | 21005354100 |
7 | 3152545065 |
oct | 764612464 |
9 | 304012110 |
10 | 131274036 |
11 | 68112143 |
12 | 37b68930 |
13 | 2127365a |
14 | 1361256c |
15 | b7d1026 |
hex | 7d31534 |
131274036 has 36 divisors (see below), whose sum is σ = 332186400. Its totient is φ = 43711248.
The previous prime is 131274029. The next prime is 131274037. The reversal of 131274036 is 630472131.
131274036 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131274037) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54955 + ... + 57293.
It is an arithmetic number, because the mean of its divisors is an integer number (9227400).
Almost surely, 2131274036 is an apocalyptic number.
It is an amenable number.
131274036 is an abundant number, since it is smaller than the sum of its proper divisors (200912364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131274036 is a wasteful number, since it uses less digits than its factorization.
131274036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3908 (or 3903 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 131274036 is about 11457.4882064089. The cubic root of 131274036 is about 508.2291988667.
The spelling of 131274036 in words is "one hundred thirty-one million, two hundred seventy-four thousand, thirty-six".
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