Base | Representation |
---|---|
bin | 1011110110111… |
… | …1010011000011 |
3 | 10110121000000020 |
4 | 2331233103003 |
5 | 100213121242 |
6 | 4534024523 |
7 | 1142526336 |
oct | 275572303 |
9 | 113530006 |
10 | 49738947 |
11 | 26092675 |
12 | 147a8143 |
13 | a3c663b |
14 | 686a61d |
15 | 45776ec |
hex | 2f6f4c3 |
49738947 has 16 divisors (see below), whose sum is σ = 67925760. Its totient is φ = 32364000.
The previous prime is 49738937. The next prime is 49738987. The reversal of 49738947 is 74983794.
It is a happy number.
It is not a de Polignac number, because 49738947 - 28 = 49738691 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 49738947.
It is not an unprimeable number, because it can be changed into a prime (49738937) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25797 + ... + 27657.
It is an arithmetic number, because the mean of its divisors is an integer number (4245360).
Almost surely, 249738947 is an apocalyptic number.
49738947 is a deficient number, since it is larger than the sum of its proper divisors (18186813).
49738947 is a wasteful number, since it uses less digits than its factorization.
49738947 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2074.
The product of its digits is 1524096, while the sum is 51.
The square root of 49738947 is about 7052.5844199130. The cubic root of 49738947 is about 367.7608791359.
The spelling of 49738947 in words is "forty-nine million, seven hundred thirty-eight thousand, nine hundred forty-seven".
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