Base | Representation |
---|---|
bin | 1001010101010… |
… | …00000011010111 |
3 | 12110022012001011 |
4 | 10222220003113 |
5 | 130020023332 |
6 | 11433513051 |
7 | 1640252140 |
oct | 452500327 |
9 | 173265034 |
10 | 78282967 |
11 | 40209174 |
12 | 22272787 |
13 | 132ab9a9 |
14 | a57aac7 |
15 | 6d14e47 |
hex | 4aa80d7 |
78282967 has 16 divisors (see below), whose sum is σ = 93671424. Its totient is φ = 64008000.
The previous prime is 78282959. The next prime is 78283003. The reversal of 78282967 is 76928287.
It is not a de Polignac number, because 78282967 - 23 = 78282959 is a prime.
It is a super-2 number, since 2×782829672 = 12256445844646178, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 78282967.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78282667) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12867 + ... + 17947.
It is an arithmetic number, because the mean of its divisors is an integer number (5854464).
Almost surely, 278282967 is an apocalyptic number.
78282967 is a deficient number, since it is larger than the sum of its proper divisors (15388457).
78282967 is a wasteful number, since it uses less digits than its factorization.
78282967 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5190.
The product of its digits is 677376, while the sum is 49.
The square root of 78282967 is about 8847.7662152659. The cubic root of 78282967 is about 427.7819204461.
The spelling of 78282967 in words is "seventy-eight million, two hundred eighty-two thousand, nine hundred sixty-seven".
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