Base | Representation |
---|---|
bin | 1111101011000… |
… | …10001001101100 |
3 | 100011101120110110 |
4 | 13311202021230 |
5 | 232124132103 |
6 | 21013540020 |
7 | 3154340130 |
oct | 765421154 |
9 | 304346413 |
10 | 131474028 |
11 | 68239424 |
12 | 38044610 |
13 | 213136aa |
14 | 136653c0 |
15 | b820403 |
hex | 7d6226c |
131474028 has 24 divisors (see below), whose sum is σ = 350597632. Its totient is φ = 37563984.
The previous prime is 131474011. The next prime is 131474029. The reversal of 131474028 is 820474131.
It is a junction number, because it is equal to n+sod(n) for n = 131473986 and 131474004.
It is not an unprimeable number, because it can be changed into a prime (131474029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782500 + ... + 782667.
Almost surely, 2131474028 is an apocalyptic number.
It is an amenable number.
131474028 is an abundant number, since it is smaller than the sum of its proper divisors (219123604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131474028 is a wasteful number, since it uses less digits than its factorization.
131474028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1565181 (or 1565179 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 131474028 is about 11466.2124522442. The cubic root of 131474028 is about 508.4871584872.
The spelling of 131474028 in words is "one hundred thirty-one million, four hundred seventy-four thousand, twenty-eight".
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