Base | Representation |
---|---|
bin | 1011111000000… |
… | …0111111110101 |
3 | 10110201200110100 |
4 | 2332000333311 |
5 | 100222431240 |
6 | 4535344313 |
7 | 1143250605 |
oct | 276007765 |
9 | 113650410 |
10 | 49811445 |
11 | 26132092 |
12 | 14822099 |
13 | a420638 |
14 | 6888c05 |
15 | 458de30 |
hex | 2f80ff5 |
49811445 has 96 divisors (see below), whose sum is σ = 101088000. Its totient is φ = 22505472.
The previous prime is 49811429. The next prime is 49811449. The reversal of 49811445 is 54411894.
It is not a de Polignac number, because 49811445 - 24 = 49811429 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49811449) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 334231 + ... + 334379.
It is an arithmetic number, because the mean of its divisors is an integer number (1053000).
Almost surely, 249811445 is an apocalyptic number.
49811445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
49811445 is an abundant number, since it is smaller than the sum of its proper divisors (51276555).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49811445 is a wasteful number, since it uses less digits than its factorization.
49811445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 219 (or 216 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 49811445 is about 7057.7223663162. The cubic root of 49811445 is about 367.9394714760.
The spelling of 49811445 in words is "forty-nine million, eight hundred eleven thousand, four hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •