Base | Representation |
---|---|
bin | 1011111010111… |
… | …0011010010011 |
3 | 10111002010121202 |
4 | 2332232122103 |
5 | 100244404314 |
6 | 4543341415 |
7 | 1144654121 |
oct | 276563223 |
9 | 114063552 |
10 | 49997459 |
11 | 26249916 |
12 | 148b186b |
13 | a4871c5 |
14 | 68d6911 |
15 | 45c90de |
hex | 2fae693 |
49997459 has 8 divisors (see below), whose sum is σ = 53291808. Its totient is φ = 46742400.
The previous prime is 49997447. The next prime is 49997473. The reversal of 49997459 is 95479994.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-49997459 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49997489) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7172 + ... + 12305.
It is an arithmetic number, because the mean of its divisors is an integer number (6661476).
Almost surely, 249997459 is an apocalyptic number.
49997459 is a deficient number, since it is larger than the sum of its proper divisors (3294349).
49997459 is a wasteful number, since it uses less digits than its factorization.
49997459 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19645.
The product of its digits is 3674160, while the sum is 56.
The square root of 49997459 is about 7070.8881337495. Note that the first 3 decimals coincide. The cubic root of 49997459 is about 368.3969090090.
The spelling of 49997459 in words is "forty-nine million, nine hundred ninety-seven thousand, four hundred fifty-nine".
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