Base | Representation |
---|---|
bin | 1110101100001… |
… | …0100001011000 |
3 | 11021221022202020 |
4 | 3223002201120 |
5 | 111233123133 |
6 | 10040334440 |
7 | 1345466100 |
oct | 353024130 |
9 | 137838666 |
10 | 61614168 |
11 | 31863700 |
12 | 18774420 |
13 | c9c38b5 |
14 | 827c200 |
15 | 56210b3 |
hex | 3ac2858 |
61614168 has 144 divisors (see below), whose sum is σ = 197409240. Its totient is φ = 15966720.
The previous prime is 61614167. The next prime is 61614187. The reversal of 61614168 is 86141616.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61614167) by changing a digit.
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 35 ways as a sum of consecutive naturals, for example, 142080 + ... + 142512.
Almost surely, 261614168 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 61614168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98704620).
61614168 is an abundant number, since it is smaller than the sum of its proper divisors (135795072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61614168 is a wasteful number, since it uses less digits than its factorization.
61614168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 478 (or 456 counting only the distinct ones).
The product of its digits is 6912, while the sum is 33.
The square root of 61614168 is about 7849.4692814228. The cubic root of 61614168 is about 394.9664405607.
The spelling of 61614168 in words is "sixty-one million, six hundred fourteen thousand, one hundred sixty-eight".
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