Base | Representation |
---|---|
bin | 1011111001101… |
… | …1110110110100 |
3 | 10110221021100222 |
4 | 2332123312310 |
5 | 100234441320 |
6 | 4541553512 |
7 | 1144216421 |
oct | 276336664 |
9 | 113837328 |
10 | 49921460 |
11 | 261a7806 |
12 | 14875898 |
13 | a45b734 |
14 | 68b6d48 |
15 | 45b1825 |
hex | 2f9bdb4 |
49921460 has 12 divisors (see below), whose sum is σ = 104835108. Its totient is φ = 19968576.
The previous prime is 49921453. The next prime is 49921481. The reversal of 49921460 is 6412994.
It can be written as a sum of positive squares in 2 ways, for example, as 32398864 + 17522596 = 5692^2 + 4186^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 49921460.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1248017 + ... + 1248056.
It is an arithmetic number, because the mean of its divisors is an integer number (8736259).
Almost surely, 249921460 is an apocalyptic number.
It is an amenable number.
49921460 is an abundant number, since it is smaller than the sum of its proper divisors (54913648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49921460 is a wasteful number, since it uses less digits than its factorization.
49921460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2496082 (or 2496080 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 49921460 is about 7065.5120125862. The cubic root of 49921460 is about 368.2101528863.
The spelling of 49921460 in words is "forty-nine million, nine hundred twenty-one thousand, four hundred sixty".
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