Base | Representation |
---|---|
bin | 1011110001101… |
… | …1111000010001 |
3 | 10102221122022100 |
4 | 2330123320101 |
5 | 100121203030 |
6 | 4522431013 |
7 | 1136604231 |
oct | 274337021 |
9 | 112848270 |
10 | 49397265 |
11 | 25979995 |
12 | 14662469 |
13 | a306c68 |
14 | 67bbcc1 |
15 | 450b360 |
hex | 2f1be11 |
49397265 has 12 divisors (see below), whose sum is σ = 85622004. Its totient is φ = 26345184.
The previous prime is 49397213. The next prime is 49397267. The reversal of 49397265 is 56279394.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 32455809 + 16941456 = 5697^2 + 4116^2 .
It is not a de Polignac number, because 49397265 - 217 = 49266193 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1097717 = 49397265 / (4 + 9 + 3 + 9 + 7 + 2 + 6 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 49397265.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49397267) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 548814 + ... + 548903.
It is an arithmetic number, because the mean of its divisors is an integer number (7135167).
Almost surely, 249397265 is an apocalyptic number.
49397265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
49397265 is a deficient number, since it is larger than the sum of its proper divisors (36224739).
49397265 is a wasteful number, since it uses less digits than its factorization.
49397265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1097728 (or 1097725 counting only the distinct ones).
The product of its digits is 408240, while the sum is 45.
The square root of 49397265 is about 7028.3187890135. The cubic root of 49397265 is about 366.9168315774.
The spelling of 49397265 in words is "forty-nine million, three hundred ninety-seven thousand, two hundred sixty-five".
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