Base | Representation |
---|---|
bin | 1011111000111… |
… | …1000010001110 |
3 | 10110211121022212 |
4 | 2332033002032 |
5 | 100231301232 |
6 | 4540510422 |
7 | 1143610334 |
oct | 276170216 |
9 | 113747285 |
10 | 49868942 |
11 | 26171302 |
12 | 1484b412 |
13 | a440866 |
14 | 68a1b54 |
15 | 45a0eb2 |
hex | 2f8f08e |
49868942 has 4 divisors (see below), whose sum is σ = 74803416. Its totient is φ = 24934470.
The previous prime is 49868941. The next prime is 49868947. The reversal of 49868942 is 24986894.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24986894 = 2 ⋅12493447.
It is a super-2 number, since 2×498689422 = 4973822752398728, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49868941) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12467234 + ... + 12467237.
It is an arithmetic number, because the mean of its divisors is an integer number (18700854).
Almost surely, 249868942 is an apocalyptic number.
49868942 is a deficient number, since it is larger than the sum of its proper divisors (24934474).
49868942 is a wasteful number, since it uses less digits than its factorization.
49868942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24934473.
The product of its digits is 995328, while the sum is 50.
The square root of 49868942 is about 7061.7945311373. The cubic root of 49868942 is about 368.0809870196.
The spelling of 49868942 in words is "forty-nine million, eight hundred sixty-eight thousand, nine hundred forty-two".
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