Base | Representation |
---|---|
bin | 110110110110… |
… | …1111110111100 |
3 | 2000010021002220 |
4 | 1231231332330 |
5 | 24330341134 |
6 | 2504245340 |
7 | 466321233 |
oct | 155557674 |
9 | 60107086 |
10 | 28762044 |
11 | 15265393 |
12 | 9770850 |
13 | 5c6067c |
14 | 3b69b1a |
15 | 27d2149 |
hex | 1b6dfbc |
28762044 has 24 divisors (see below), whose sum is σ = 67332048. Its totient is φ = 9555840.
The previous prime is 28762031. The next prime is 28762051. The reversal of 28762044 is 44026782.
It is a junction number, because it is equal to n+sod(n) for n = 28761996 and 28762014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24 + ... + 7584.
It is an arithmetic number, because the mean of its divisors is an integer number (2805502).
Almost surely, 228762044 is an apocalyptic number.
It is an amenable number.
28762044 is an abundant number, since it is smaller than the sum of its proper divisors (38570004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28762044 is a wasteful number, since it uses less digits than its factorization.
28762044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7885 (or 7883 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 33.
The square root of 28762044 is about 5363.0256385738. The cubic root of 28762044 is about 306.3890561619.
The spelling of 28762044 in words is "twenty-eight million, seven hundred sixty-two thousand, forty-four".
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