Base | Representation |
---|---|
bin | 1001011010010… |
… | …01111111010100 |
3 | 12111112212220120 |
4 | 10231021333110 |
5 | 130202240020 |
6 | 11500031540 |
7 | 1646014011 |
oct | 455117724 |
9 | 174485816 |
10 | 78946260 |
11 | 40621548 |
12 | 225325b0 |
13 | 13481883 |
14 | a6b0708 |
15 | 6de6740 |
hex | 4b49fd4 |
78946260 has 24 divisors (see below), whose sum is σ = 221049696. Its totient is φ = 21052320.
The previous prime is 78946211. The next prime is 78946267. The reversal of 78946260 is 6264987.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78946267) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657826 + ... + 657945.
It is an arithmetic number, because the mean of its divisors is an integer number (9210404).
Almost surely, 278946260 is an apocalyptic number.
It is an amenable number.
78946260 is an abundant number, since it is smaller than the sum of its proper divisors (142103436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78946260 is a wasteful number, since it uses less digits than its factorization.
78946260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1315783 (or 1315781 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 78946260 is about 8885.1707918306. The cubic root of 78946260 is about 428.9867253732.
The spelling of 78946260 in words is "seventy-eight million, nine hundred forty-six thousand, two hundred sixty".
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