Base | Representation |
---|---|
bin | 1110110001001… |
… | …0101000000000 |
3 | 11022112222211020 |
4 | 3230102220000 |
5 | 111324123042 |
6 | 10051345440 |
7 | 1351333500 |
oct | 354225000 |
9 | 138488736 |
10 | 61942272 |
11 | 31a68167 |
12 | 188b2280 |
13 | caaa042 |
14 | 8325a00 |
15 | 56883ec |
hex | 3b12a00 |
61942272 has 120 divisors (see below), whose sum is σ = 192193056. Its totient is φ = 17676288.
The previous prime is 61942253. The next prime is 61942273. The reversal of 61942272 is 27224916.
It is not an unprimeable number, because it can be changed into a prime (61942273) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74853 + ... + 75675.
Almost surely, 261942272 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 61942272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96096528).
61942272 is an abundant number, since it is smaller than the sum of its proper divisors (130250784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61942272 is an equidigital number, since it uses as much as digits as its factorization.
61942272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 858 (or 835 counting only the distinct ones).
The product of its digits is 12096, while the sum is 33.
The square root of 61942272 is about 7870.3412886609. The cubic root of 61942272 is about 395.6662834862. Note that the first 3 decimals are identical.
The spelling of 61942272 in words is "sixty-one million, nine hundred forty-two thousand, two hundred seventy-two".
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