Base | Representation |
---|---|
bin | 1010000001110… |
… | …1101101111101 |
3 | 2221011010000021 |
4 | 2200131231331 |
5 | 41232033030 |
6 | 4101332141 |
7 | 1020354541 |
oct | 240355575 |
9 | 87133007 |
10 | 42064765 |
11 | 21820976 |
12 | 12107051 |
13 | 893a5c2 |
14 | 582da21 |
15 | 3a5d97a |
hex | 281db7d |
42064765 has 16 divisors (see below), whose sum is σ = 54270720. Its totient is φ = 31199040.
The previous prime is 42064753. The next prime is 42064787. The reversal of 42064765 is 56746024.
It is not a de Polignac number, because 42064765 - 25 = 42064733 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 42064765.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246 + ... + 9175.
It is an arithmetic number, because the mean of its divisors is an integer number (3391920).
Almost surely, 242064765 is an apocalyptic number.
It is an amenable number.
42064765 is a deficient number, since it is larger than the sum of its proper divisors (12205955).
42064765 is a wasteful number, since it uses less digits than its factorization.
42064765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9492.
The product of its (nonzero) digits is 40320, while the sum is 34.
The square root of 42064765 is about 6485.7355018533. The cubic root of 42064765 is about 347.7812432575.
The spelling of 42064765 in words is "forty-two million, sixty-four thousand, seven hundred sixty-five".
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