Base | Representation |
---|---|
bin | 1111101010101… |
… | …11111001011010 |
3 | 100011022102211211 |
4 | 13311113321122 |
5 | 232121311101 |
6 | 21013013334 |
7 | 3154103515 |
oct | 765277132 |
9 | 304272754 |
10 | 131432026 |
11 | 6820a910 |
12 | 3802424a |
13 | 212ca53b |
14 | 13653d7c |
15 | b812c51 |
hex | 7d57e5a |
131432026 has 16 divisors (see below), whose sum is σ = 215304480. Its totient is φ = 59676880.
The previous prime is 131432023. The next prime is 131432027. The reversal of 131432026 is 620234131.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 131431988 and 131432006.
It is not an unprimeable number, because it can be changed into a prime (131432023) 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, 21705 + ... + 27091.
It is an arithmetic number, because the mean of its divisors is an integer number (13456530).
Almost surely, 2131432026 is an apocalyptic number.
131432026 is a deficient number, since it is larger than the sum of its proper divisors (83872454).
131432026 is a wasteful number, since it uses less digits than its factorization.
131432026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6509.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 131432026 is about 11464.3807508299. The cubic root of 131432026 is about 508.4330039323.
Adding to 131432026 its reverse (620234131), we get a palindrome (751666157).
The spelling of 131432026 in words is "one hundred thirty-one million, four hundred thirty-two thousand, twenty-six".
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