Base | Representation |
---|---|
bin | 1011101111100… |
… | …0011100100011 |
3 | 10102200021020000 |
4 | 2323320130203 |
5 | 100102032011 |
6 | 4515351043 |
7 | 1135431135 |
oct | 273703443 |
9 | 112607200 |
10 | 49252131 |
11 | 2588a945 |
12 | 145b2483 |
13 | a285b96 |
14 | 6781055 |
15 | 44cd356 |
hex | 2ef8723 |
49252131 has 20 divisors (see below), whose sum is σ = 76775952. Its totient is φ = 31405968.
The previous prime is 49252109. The next prime is 49252153. The reversal of 49252131 is 13125294.
It is an interprime number because it is at equal distance from previous prime (49252109) and next prime (49252153).
It is not a de Polignac number, because 49252131 - 211 = 49250083 is a prime.
It is a super-2 number, since 2×492521312 = 4851544816082322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 49252095 and 49252104.
It is not an unprimeable number, because it can be changed into a prime (49252171) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11356 + ... + 15081.
Almost surely, 249252131 is an apocalyptic number.
49252131 is a deficient number, since it is larger than the sum of its proper divisors (27523821).
49252131 is a wasteful number, since it uses less digits than its factorization.
49252131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26472 (or 26463 counting only the distinct ones).
The product of its digits is 2160, while the sum is 27.
The square root of 49252131 is about 7017.9862496303. The cubic root of 49252131 is about 366.5571332146.
It can be divided in two parts, 4925 and 2131, that added together give a square (7056 = 842).
The spelling of 49252131 in words is "forty-nine million, two hundred fifty-two thousand, one hundred thirty-one".
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