Base | Representation |
---|---|
bin | 1010001001110… |
… | …1110001011000 |
3 | 2222010202111110 |
4 | 2202131301120 |
5 | 41400324042 |
6 | 4120500320 |
7 | 1025000655 |
oct | 242356130 |
9 | 88122443 |
10 | 42589272 |
11 | 22049a50 |
12 | 1231a6a0 |
13 | 8a9226b |
14 | 5928c2c |
15 | 3b1409c |
hex | 289dc58 |
42589272 has 32 divisors (see below), whose sum is σ = 116153280. Its totient is φ = 12905760.
The previous prime is 42589237. The next prime is 42589277. The reversal of 42589272 is 27298524.
It is a self number, because there is not a number n which added to its sum of digits gives 42589272.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42589277) 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, 80398 + ... + 80925.
It is an arithmetic number, because the mean of its divisors is an integer number (3629790).
Almost surely, 242589272 is an apocalyptic number.
It is an amenable number.
42589272 is an abundant number, since it is smaller than the sum of its proper divisors (73564008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42589272 is a wasteful number, since it uses less digits than its factorization.
42589272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161343 (or 161339 counting only the distinct ones).
The product of its digits is 80640, while the sum is 39.
The square root of 42589272 is about 6526.0456633401. The cubic root of 42589272 is about 349.2207752992.
It can be divided in two parts, 4258 and 9272, that added together give a triangular number (13530 = T164).
The spelling of 42589272 in words is "forty-two million, five hundred eighty-nine thousand, two hundred seventy-two".
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