Base | Representation |
---|---|
bin | 1111110010100… |
… | …10000110100111 |
3 | 100020020111200001 |
4 | 13321102012213 |
5 | 232402104441 |
6 | 21051002131 |
7 | 3165602431 |
oct | 771220647 |
9 | 306214601 |
10 | 132456871 |
11 | 6884a898 |
12 | 38439347 |
13 | 21598b61 |
14 | 1383d651 |
15 | b966731 |
hex | 7e521a7 |
132456871 has 4 divisors (see below), whose sum is σ = 133051072. Its totient is φ = 131862672.
The previous prime is 132456869. The next prime is 132456887. The reversal of 132456871 is 178654231.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178654231 = 7 ⋅25522033.
It is a cyclic number.
It is not a de Polignac number, because 132456871 - 21 = 132456869 is a prime.
It is a super-2 number, since 2×1324568712 = 35089645350221282, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 132456871.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132456811) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296766 + ... + 297211.
It is an arithmetic number, because the mean of its divisors is an integer number (33262768).
Almost surely, 2132456871 is an apocalyptic number.
132456871 is a deficient number, since it is larger than the sum of its proper divisors (594201).
132456871 is an equidigital number, since it uses as much as digits as its factorization.
132456871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 594200.
The product of its digits is 40320, while the sum is 37.
The square root of 132456871 is about 11508.9908767016. The cubic root of 132456871 is about 509.7510908921.
The spelling of 132456871 in words is "one hundred thirty-two million, four hundred fifty-six thousand, eight hundred seventy-one".
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