Base | Representation |
---|---|
bin | 1011111001100… |
… | …1000101110011 |
3 | 10110220200211101 |
4 | 2332121011303 |
5 | 100234111011 |
6 | 4541425231 |
7 | 1144141405 |
oct | 276310563 |
9 | 113820741 |
10 | 49910131 |
11 | 2619a247 |
12 | 1486b217 |
13 | a45652b |
14 | 68b2b75 |
15 | 45ad2c1 |
hex | 2f99173 |
49910131 has 16 divisors (see below), whose sum is σ = 54720000. Its totient is φ = 45341856.
The previous prime is 49910123. The next prime is 49910149. The reversal of 49910131 is 13101994.
49910131 = 7142 + 7152 + ... + 8002.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 49910131 - 23 = 49910123 is a prime.
It is a super-2 number, since 2×499101312 = 4982042352874322, 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 49910131.
It is not an unprimeable number, because it can be changed into a prime (49910101) 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, 131500 + ... + 131878.
It is an arithmetic number, because the mean of its divisors is an integer number (3420000).
Almost surely, 249910131 is an apocalyptic number.
49910131 is a deficient number, since it is larger than the sum of its proper divisors (4809869).
49910131 is a wasteful number, since it uses less digits than its factorization.
49910131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 666.
The product of its (nonzero) digits is 972, while the sum is 28.
The square root of 49910131 is about 7064.7102559128. The cubic root of 49910131 is about 368.1822973413.
The spelling of 49910131 in words is "forty-nine million, nine hundred ten thousand, one hundred thirty-one".
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