Base | Representation |
---|---|
bin | 1011111010111… |
… | …0010111101101 |
3 | 10111002010101121 |
4 | 2332232113231 |
5 | 100244403133 |
6 | 4543340541 |
7 | 1144653463 |
oct | 276562755 |
9 | 114063347 |
10 | 49997293 |
11 | 26249785 |
12 | 148b1751 |
13 | a4870c8 |
14 | 68d6833 |
15 | 45c902d |
hex | 2fae5ed |
49997293 has 8 divisors (see below), whose sum is σ = 50409216. Its totient is φ = 49587600.
The previous prime is 49997287. The next prime is 49997309. The reversal of 49997293 is 39279994.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49997293 - 29 = 49996781 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 49997293.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49997093) 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, 115788 + ... + 116218.
It is an arithmetic number, because the mean of its divisors is an integer number (6301152).
Almost surely, 249997293 is an apocalyptic number.
It is an amenable number.
49997293 is a deficient number, since it is larger than the sum of its proper divisors (411923).
49997293 is a wasteful number, since it uses less digits than its factorization.
49997293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1115.
The product of its digits is 1102248, while the sum is 52.
The square root of 49997293 is about 7070.8763954690. The cubic root of 49997293 is about 368.3965012952.
The spelling of 49997293 in words is "forty-nine million, nine hundred ninety-seven thousand, two hundred ninety-three".
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