Base | Representation |
---|---|
bin | 111110101111… |
… | …1100001110110 |
3 | 2021220100101200 |
4 | 1331133201312 |
5 | 31410202032 |
6 | 3133033330 |
7 | 546423015 |
oct | 175374166 |
9 | 67810350 |
10 | 32897142 |
11 | 1762a123 |
12 | b025846 |
13 | 6a7a885 |
14 | 4524a7c |
15 | 2d4c47c |
hex | 1f5f876 |
32897142 has 24 divisors (see below), whose sum is σ = 75470616. Its totient is φ = 10320576.
The previous prime is 32897141. The next prime is 32897143. The reversal of 32897142 is 24179823.
It is an interprime number because it is at equal distance from previous prime (32897141) and next prime (32897143).
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 32897097 and 32897106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32897141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53448 + ... + 54059.
It is an arithmetic number, because the mean of its divisors is an integer number (3144609).
Almost surely, 232897142 is an apocalyptic number.
32897142 is an abundant number, since it is smaller than the sum of its proper divisors (42573474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32897142 is a wasteful number, since it uses less digits than its factorization.
32897142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107532 (or 107529 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 32897142 is about 5735.6030197356. The cubic root of 32897142 is about 320.4198330618.
The spelling of 32897142 in words is "thirty-two million, eight hundred ninety-seven thousand, one hundred forty-two".
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