Base | Representation |
---|---|
bin | 1011111001001… |
… | …1000000000111 |
3 | 10110212102121200 |
4 | 2332103000013 |
5 | 100232311231 |
6 | 4541113543 |
7 | 1144005606 |
oct | 276230007 |
9 | 113772550 |
10 | 49885191 |
11 | 26182534 |
12 | 148588b3 |
13 | a448085 |
14 | 68a7a3d |
15 | 45a5be6 |
hex | 2f93007 |
49885191 has 24 divisors (see below), whose sum is σ = 78932880. Its totient is φ = 30218496.
The previous prime is 49885181. The next prime is 49885201. The reversal of 49885191 is 19158894.
It is an interprime number because it is at equal distance from previous prime (49885181) and next prime (49885201).
It is not a de Polignac number, because 49885191 - 25 = 49885159 is a prime.
It is a super-2 number, since 2×498851912 = 4977064562212962, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49885141) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1185 + ... + 10058.
It is an arithmetic number, because the mean of its divisors is an integer number (3288870).
Almost surely, 249885191 is an apocalyptic number.
49885191 is a deficient number, since it is larger than the sum of its proper divisors (29047689).
49885191 is a wasteful number, since it uses less digits than its factorization.
49885191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11295 (or 11292 counting only the distinct ones).
The product of its digits is 103680, while the sum is 45.
The square root of 49885191 is about 7062.9449240384. The cubic root of 49885191 is about 368.1209604529.
The spelling of 49885191 in words is "forty-nine million, eight hundred eighty-five thousand, one hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •