Base | Representation |
---|---|
bin | 1110101000011… |
… | …1101000100000 |
3 | 11021111001212121 |
4 | 3222013220200 |
5 | 111202413320 |
6 | 10031234024 |
7 | 1343442625 |
oct | 352075040 |
9 | 137431777 |
10 | 61372960 |
11 | 31709460 |
12 | 18678914 |
13 | c93ab7c |
14 | 821834c |
15 | 55c48aa |
hex | 3a87a20 |
61372960 has 48 divisors (see below), whose sum is σ = 158179392. Its totient is φ = 22316800.
The previous prime is 61372957. The next prime is 61372991. The reversal of 61372960 is 6927316.
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, 15676 + ... + 19195.
It is an arithmetic number, because the mean of its divisors is an integer number (3295404).
Almost surely, 261372960 is an apocalyptic number.
It is an amenable number.
61372960 is an abundant number, since it is smaller than the sum of its proper divisors (96806432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61372960 is a wasteful number, since it uses less digits than its factorization.
61372960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34897 (or 34889 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 34.
The square root of 61372960 is about 7834.0896088825. The cubic root of 61372960 is about 394.4503598193.
The spelling of 61372960 in words is "sixty-one million, three hundred seventy-two thousand, nine hundred sixty".
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