Base | Representation |
---|---|
bin | 100000010101111… |
… | …111011111111111 |
3 | 1101211001202200210 |
4 | 200111333133333 |
5 | 2102403323111 |
6 | 125502323503 |
7 | 16306221150 |
oct | 4025773777 |
9 | 1354052623 |
10 | 542636031 |
11 | 259338533 |
12 | 131889593 |
13 | 88562712 |
14 | 520d3927 |
15 | 3298b0a6 |
hex | 2057f7ff |
542636031 has 16 divisors (see below), whose sum is σ = 838522368. Its totient is φ = 305709600.
The previous prime is 542636021. The next prime is 542636041. The reversal of 542636031 is 130636245.
It is an interprime number because it is at equal distance from previous prime (542636021) and next prime (542636041).
It is not a de Polignac number, because 542636031 - 25 = 542635999 is a prime.
It is a super-2 number, since 2×5426360312 = 588907724278865922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 542636031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542636011) 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, 180480 + ... + 183461.
It is an arithmetic number, because the mean of its divisors is an integer number (52407648).
Almost surely, 2542636031 is an apocalyptic number.
542636031 is a deficient number, since it is larger than the sum of its proper divisors (295886337).
542636031 is a wasteful number, since it uses less digits than its factorization.
542636031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 364022.
The product of its (nonzero) digits is 12960, while the sum is 30.
The square root of 542636031 is about 23294.5493839224. The cubic root of 542636031 is about 815.6481882223.
The spelling of 542636031 in words is "five hundred forty-two million, six hundred thirty-six thousand, thirty-one".
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