Base | Representation |
---|---|
bin | 1011101111100… |
… | …1010101000001 |
3 | 10102200110011212 |
4 | 2323321111001 |
5 | 100102140440 |
6 | 4515415505 |
7 | 1135444520 |
oct | 273712501 |
9 | 112613155 |
10 | 49255745 |
11 | 25892630 |
12 | 145b4595 |
13 | a287716 |
14 | 67824b7 |
15 | 44ce465 |
hex | 2ef9541 |
49255745 has 32 divisors (see below), whose sum is σ = 76087296. Its totient is φ = 29707200.
The previous prime is 49255741. The next prime is 49255763. The reversal of 49255745 is 54755294.
It is not a de Polignac number, because 49255745 - 22 = 49255741 is a prime.
It is a super-2 number, since 2×492557452 = 4852256831010050, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49255741) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9872 + ... + 13998.
It is an arithmetic number, because the mean of its divisors is an integer number (2377728).
Almost surely, 249255745 is an apocalyptic number.
It is an amenable number.
49255745 is a deficient number, since it is larger than the sum of its proper divisors (26831551).
49255745 is a wasteful number, since it uses less digits than its factorization.
49255745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4181.
The product of its digits is 252000, while the sum is 41.
The square root of 49255745 is about 7018.2437261754. The cubic root of 49255745 is about 366.5660986817.
The spelling of 49255745 in words is "forty-nine million, two hundred fifty-five thousand, seven hundred forty-five".
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