Base | Representation |
---|---|
bin | 1010001100111… |
… | …1011100111101 |
3 | 2222112002122020 |
4 | 2203033130331 |
5 | 41423332030 |
6 | 4125110353 |
7 | 1026506151 |
oct | 243173475 |
9 | 88462566 |
10 | 42792765 |
11 | 22178924 |
12 | 123b83b9 |
13 | 8b33a82 |
14 | 597d061 |
15 | 3b54510 |
hex | 28cf73d |
42792765 has 32 divisors (see below), whose sum is σ = 72493056. Its totient is φ = 21510720.
The previous prime is 42792751. The next prime is 42792767. The reversal of 42792765 is 56729724.
It is not a de Polignac number, because 42792765 - 24 = 42792749 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42792767) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23622 + ... + 25368.
It is an arithmetic number, because the mean of its divisors is an integer number (2265408).
Almost surely, 242792765 is an apocalyptic number.
It is an amenable number.
42792765 is a deficient number, since it is larger than the sum of its proper divisors (29700291).
42792765 is a wasteful number, since it uses less digits than its factorization.
42792765 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1849.
The product of its digits is 211680, while the sum is 42.
The square root of 42792765 is about 6541.6179191390. The cubic root of 42792765 is about 349.7760880758.
The spelling of 42792765 in words is "forty-two million, seven hundred ninety-two thousand, seven hundred sixty-five".
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