Base | Representation |
---|---|
bin | 1011110000000… |
… | …1101100101111 |
3 | 10102202012012201 |
4 | 2330001230233 |
5 | 100104240111 |
6 | 4520242331 |
7 | 1135646500 |
oct | 274015457 |
9 | 112665181 |
10 | 49290031 |
11 | 2590636a |
12 | 146103a7 |
13 | a29a1cb |
14 | 6790ba7 |
15 | 44d96c1 |
hex | 2f01b2f |
49290031 has 24 divisors (see below), whose sum is σ = 60855936. Its totient is φ = 39735360.
The previous prime is 49290011. The next prime is 49290041. The reversal of 49290031 is 13009294.
It is a happy number.
It is not a de Polignac number, because 49290031 - 211 = 49287983 is a prime.
It is a super-2 number, since 2×492900312 = 4859014311961922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49290001) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55765 + ... + 56641.
It is an arithmetic number, because the mean of its divisors is an integer number (2535664).
Almost surely, 249290031 is an apocalyptic number.
49290031 is a deficient number, since it is larger than the sum of its proper divisors (11565905).
49290031 is a wasteful number, since it uses less digits than its factorization.
49290031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 959 (or 952 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 49290031 is about 7020.6859351491. The cubic root of 49290031 is about 366.6511322161.
The spelling of 49290031 in words is "forty-nine million, two hundred ninety thousand, thirty-one".
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