Base | Representation |
---|---|
bin | 1110101001111… |
… | …1000100001100 |
3 | 11021122221112102 |
4 | 3222133010030 |
5 | 111214001230 |
6 | 10033254232 |
7 | 1344322511 |
oct | 352370414 |
9 | 137587472 |
10 | 61468940 |
11 | 31774585 |
12 | 18704378 |
13 | c972770 |
14 | 8241308 |
15 | 55e3045 |
hex | 3a9f10c |
61468940 has 48 divisors (see below), whose sum is σ = 147202272. Its totient is φ = 21359616.
The previous prime is 61468931. The next prime is 61468969. The reversal of 61468940 is 4986416.
61468940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 61468894 and 61468903.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2534 + ... + 11373.
It is an arithmetic number, because the mean of its divisors is an integer number (3066714).
Almost surely, 261468940 is an apocalyptic number.
It is an amenable number.
61468940 is an abundant number, since it is smaller than the sum of its proper divisors (85733332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61468940 is a wasteful number, since it uses less digits than its factorization.
61468940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13946 (or 13944 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 38.
The square root of 61468940 is about 7840.2130073105. The cubic root of 61468940 is about 394.6558771830.
The spelling of 61468940 in words is "sixty-one million, four hundred sixty-eight thousand, nine hundred forty".
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