Base | Representation |
---|---|
bin | 1010000111010… |
… | …0101000010111 |
3 | 2221211012100020 |
4 | 2201310220113 |
5 | 41324431014 |
6 | 4113120223 |
7 | 1023366453 |
oct | 241645027 |
9 | 87735306 |
10 | 42420759 |
11 | 21a44387 |
12 | 12259073 |
13 | 8a33654 |
14 | 58c3663 |
15 | 3ace1a9 |
hex | 2874a17 |
42420759 has 16 divisors (see below), whose sum is σ = 58285920. Its totient is φ = 27423360.
The previous prime is 42420751. The next prime is 42420761. The reversal of 42420759 is 95702424.
It is not a de Polignac number, because 42420759 - 23 = 42420751 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42420751) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50757 + ... + 51585.
It is an arithmetic number, because the mean of its divisors is an integer number (3642870).
Almost surely, 242420759 is an apocalyptic number.
42420759 is a deficient number, since it is larger than the sum of its proper divisors (15865161).
42420759 is a wasteful number, since it uses less digits than its factorization.
42420759 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1330.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 42420759 is about 6513.1220624214. The cubic root of 42420759 is about 348.7595791359.
The spelling of 42420759 in words is "forty-two million, four hundred twenty thousand, seven hundred fifty-nine".
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