Base | Representation |
---|---|
bin | 1110100101111… |
… | …0111111101000 |
3 | 11021011121112120 |
4 | 3221132333220 |
5 | 111132102004 |
6 | 10023511240 |
7 | 1342150422 |
oct | 351367750 |
9 | 137147476 |
10 | 61206504 |
11 | 31605397 |
12 | 185b8520 |
13 | c8b0188 |
14 | 81b3812 |
15 | 55903d9 |
hex | 3a5efe8 |
61206504 has 32 divisors (see below), whose sum is σ = 153234720. Its totient is φ = 20373056.
The previous prime is 61206503. The next prime is 61206517. The reversal of 61206504 is 40560216.
It is a super-2 number, since 2×612065042 = 7492472263804032, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (61206503) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21382 + ... + 24074.
It is an arithmetic number, because the mean of its divisors is an integer number (4788585).
Almost surely, 261206504 is an apocalyptic number.
It is an amenable number.
61206504 is an abundant number, since it is smaller than the sum of its proper divisors (92028216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61206504 is a wasteful number, since it uses less digits than its factorization.
61206504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3649 (or 3645 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 61206504 is about 7823.4585702233. The cubic root of 61206504 is about 394.0934269585.
The spelling of 61206504 in words is "sixty-one million, two hundred six thousand, five hundred four".
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