Base | Representation |
---|---|
bin | 1011111001101… |
… | …1111100111010 |
3 | 10110221021220102 |
4 | 2332123330322 |
5 | 100234444400 |
6 | 4541555402 |
7 | 1144220516 |
oct | 276337472 |
9 | 113837812 |
10 | 49921850 |
11 | 261a8030 |
12 | 14875b62 |
13 | a45b974 |
14 | 68b7146 |
15 | 45b19d5 |
hex | 2f9bf3a |
49921850 has 48 divisors (see below), whose sum is σ = 102180960. Its totient is φ = 17995200.
The previous prime is 49921831. The next prime is 49921867. The reversal of 49921850 is 5812994.
It is a super-2 number, since 2×499218502 = 4984382214845000, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76124 + ... + 76776.
It is an arithmetic number, because the mean of its divisors is an integer number (2128770).
Almost surely, 249921850 is an apocalyptic number.
49921850 is an abundant number, since it is smaller than the sum of its proper divisors (52259110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49921850 is a wasteful number, since it uses less digits than its factorization.
49921850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 815 (or 810 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 38.
The square root of 49921850 is about 7065.5396113814. The cubic root of 49921850 is about 368.2111117363.
The spelling of 49921850 in words is "forty-nine million, nine hundred twenty-one thousand, eight hundred fifty".
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