Base | Representation |
---|---|
bin | 1111101010110… |
… | …00000011011110 |
3 | 100011022110201200 |
4 | 13311120003132 |
5 | 232121321140 |
6 | 21013020330 |
7 | 3154105425 |
oct | 765300336 |
9 | 304273650 |
10 | 131432670 |
11 | 68210346 |
12 | 380246a6 |
13 | 212ca915 |
14 | 136542bc |
15 | b813030 |
hex | 7d580de |
131432670 has 48 divisors (see below), whose sum is σ = 342502992. Its totient is φ = 34968960.
The previous prime is 131432657. The next prime is 131432683. The reversal of 131432670 is 76234131.
It is an interprime number because it is at equal distance from previous prime (131432657) and next prime (131432683).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45489 + ... + 48291.
It is an arithmetic number, because the mean of its divisors is an integer number (7135479).
Almost surely, 2131432670 is an apocalyptic number.
131432670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131432670 is an abundant number, since it is smaller than the sum of its proper divisors (211070322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131432670 is a wasteful number, since it uses less digits than its factorization.
131432670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3337 (or 3334 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 131432670 is about 11464.4088377901. The cubic root of 131432670 is about 508.4338343497.
The spelling of 131432670 in words is "one hundred thirty-one million, four hundred thirty-two thousand, six hundred seventy".
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