Base | Representation |
---|---|
bin | 1001010101001… |
… | …0110100010010 |
3 | 2201122100020010 |
4 | 2111102310102 |
5 | 40004332110 |
6 | 3514455350 |
7 | 653440446 |
oct | 225226422 |
9 | 81570203 |
10 | 39136530 |
11 | 20100944 |
12 | 11134556 |
13 | 8153814 |
14 | 52aa826 |
15 | 3681020 |
hex | 2552d12 |
39136530 has 16 divisors (see below), whose sum is σ = 93927744. Its totient is φ = 10436400.
The previous prime is 39136507. The next prime is 39136543. The reversal of 39136530 is 3563193.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1304551 = 39136530 / (3 + 9 + 1 + 3 + 6 + 5 + 3 + 0).
It is a plaindrome in base 12.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652246 + ... + 652305.
It is an arithmetic number, because the mean of its divisors is an integer number (5870484).
Almost surely, 239136530 is an apocalyptic number.
39136530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
39136530 is an abundant number, since it is smaller than the sum of its proper divisors (54791214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39136530 is a wasteful number, since it uses less digits than its factorization.
39136530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1304561.
The product of its (nonzero) digits is 7290, while the sum is 30.
The square root of 39136530 is about 6255.9195966700. The cubic root of 39136530 is about 339.5164117021.
The spelling of 39136530 in words is "thirty-nine million, one hundred thirty-six thousand, five hundred thirty".
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