Base | Representation |
---|---|
bin | 1011011011110… |
… | …1100000011010 |
3 | 10100020201200111 |
4 | 2312331200122 |
5 | 44234242023 |
6 | 4431554534 |
7 | 1121446210 |
oct | 266754032 |
9 | 110221614 |
10 | 47962138 |
11 | 25089734 |
12 | 1408ba4a |
13 | 9c23983 |
14 | 6526cb0 |
15 | 432600d |
hex | 2dbd81a |
47962138 has 32 divisors (see below), whose sum is σ = 86085504. Its totient is φ = 19611072.
The previous prime is 47962121. The next prime is 47962139. The reversal of 47962138 is 83126974.
It is a self number, because there is not a number n which added to its sum of digits gives 47962138.
It is not an unprimeable number, because it can be changed into a prime (47962139) 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, 26581 + ... + 28327.
It is an arithmetic number, because the mean of its divisors is an integer number (2690172).
Almost surely, 247962138 is an apocalyptic number.
47962138 is a deficient number, since it is larger than the sum of its proper divisors (38123366).
47962138 is a wasteful number, since it uses less digits than its factorization.
47962138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1846.
The product of its digits is 72576, while the sum is 40.
The square root of 47962138 is about 6925.4702367421. The cubic root of 47962138 is about 363.3285381256.
The spelling of 47962138 in words is "forty-seven million, nine hundred sixty-two thousand, one hundred thirty-eight".
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