Base | Representation |
---|---|
bin | 1001011010101… |
… | …10101001001100 |
3 | 12111122112000021 |
4 | 10231112221030 |
5 | 130210414332 |
6 | 11501111524 |
7 | 1646321065 |
oct | 455265114 |
9 | 174575007 |
10 | 78998092 |
11 | 40657488 |
12 | 225585a4 |
13 | 1349c344 |
14 | a6c556c |
15 | 6e06c97 |
hex | 4b56a4c |
78998092 has 24 divisors (see below), whose sum is σ = 140943600. Its totient is φ = 38734080.
The previous prime is 78998081. The next prime is 78998107. The reversal of 78998092 is 29089987.
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 7 ways as a sum of consecutive naturals, for example, 74784 + ... + 75832.
It is an arithmetic number, because the mean of its divisors is an integer number (5872650).
Almost surely, 278998092 is an apocalyptic number.
It is an amenable number.
78998092 is a deficient number, since it is larger than the sum of its proper divisors (61945508).
78998092 is a wasteful number, since it uses less digits than its factorization.
78998092 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1401 (or 1399 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 52.
The square root of 78998092 is about 8888.0870832818. The cubic root of 78998092 is about 429.0805882767.
The spelling of 78998092 in words is "seventy-eight million, nine hundred ninety-eight thousand, ninety-two".
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