Base | Representation |
---|---|
bin | 1011111001101… |
… | …0111100101100 |
3 | 10110221002021012 |
4 | 2332122330230 |
5 | 100234331430 |
6 | 4541524352 |
7 | 1144202525 |
oct | 276327454 |
9 | 113832235 |
10 | 49917740 |
11 | 261a4a34 |
12 | 148736b8 |
13 | a459b32 |
14 | 68b584c |
15 | 45b0695 |
hex | 2f9af2c |
49917740 has 12 divisors (see below), whose sum is σ = 104827296. Its totient is φ = 19967088.
The previous prime is 49917739. The next prime is 49917743. The reversal of 49917740 is 4771994.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (49917743) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247924 + ... + 1247963.
It is an arithmetic number, because the mean of its divisors is an integer number (8735608).
Almost surely, 249917740 is an apocalyptic number.
It is an amenable number.
49917740 is an abundant number, since it is smaller than the sum of its proper divisors (54909556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49917740 is a wasteful number, since it uses less digits than its factorization.
49917740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2495896 (or 2495894 counting only the distinct ones).
The product of its (nonzero) digits is 63504, while the sum is 41.
The square root of 49917740 is about 7065.2487571210. The cubic root of 49917740 is about 368.2010066808.
The spelling of 49917740 in words is "forty-nine million, nine hundred seventeen thousand, seven hundred forty".
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