Base | Representation |
---|---|
bin | 1011111001101… |
… | …1000100100101 |
3 | 10110221002221220 |
4 | 2332123010211 |
5 | 100234340440 |
6 | 4541530553 |
7 | 1144204146 |
oct | 276330445 |
9 | 113832856 |
10 | 49918245 |
11 | 261a5353 |
12 | 14873a59 |
13 | a45a130 |
14 | 68b5acd |
15 | 45b08d0 |
hex | 2f9b125 |
49918245 has 32 divisors (see below), whose sum is σ = 86413824. Its totient is φ = 24460800.
The previous prime is 49918243. The next prime is 49918247. The reversal of 49918245 is 54281994.
It is an interprime number because it is at equal distance from previous prime (49918243) and next prime (49918247).
It is not a de Polignac number, because 49918245 - 21 = 49918243 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 49918197 and 49918206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49918243) 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, 54340 + ... + 55250.
It is an arithmetic number, because the mean of its divisors is an integer number (2700432).
Almost surely, 249918245 is an apocalyptic number.
It is an amenable number.
49918245 is a deficient number, since it is larger than the sum of its proper divisors (36495579).
49918245 is a wasteful number, since it uses less digits than its factorization.
49918245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1213.
The product of its digits is 103680, while the sum is 42.
The square root of 49918245 is about 7065.2844953335. The cubic root of 49918245 is about 368.2022483294.
The spelling of 49918245 in words is "forty-nine million, nine hundred eighteen thousand, two hundred forty-five".
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