Base | Representation |
---|---|
bin | 1110110000010… |
… | …0110000100000 |
3 | 11022110002220112 |
4 | 3230010300200 |
5 | 111320313342 |
6 | 10050230452 |
7 | 1351006055 |
oct | 354046040 |
9 | 138402815 |
10 | 61885472 |
11 | 31a29520 |
12 | 18885428 |
13 | ca8a22c |
14 | 830d02c |
15 | 5676682 |
hex | 3b04c20 |
61885472 has 24 divisors (see below), whose sum is σ = 132913872. Its totient is φ = 28129600.
The previous prime is 61885459. The next prime is 61885487. The reversal of 61885472 is 27458816.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87554 + ... + 88257.
It is an arithmetic number, because the mean of its divisors is an integer number (5538078).
Almost surely, 261885472 is an apocalyptic number.
It is an amenable number.
61885472 is an abundant number, since it is smaller than the sum of its proper divisors (71028400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61885472 is a wasteful number, since it uses less digits than its factorization.
61885472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175832 (or 175824 counting only the distinct ones).
The product of its digits is 107520, while the sum is 41.
The square root of 61885472 is about 7866.7319771300. The cubic root of 61885472 is about 395.5453067711.
The spelling of 61885472 in words is "sixty-one million, eight hundred eighty-five thousand, four hundred seventy-two".
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