Base | Representation |
---|---|
bin | 1011110001100… |
… | …1101101100100 |
3 | 10102221012010120 |
4 | 2330121231210 |
5 | 100120412023 |
6 | 4522321540 |
7 | 1136536320 |
oct | 274315544 |
9 | 112835116 |
10 | 49388388 |
11 | 25973255 |
12 | 146592b0 |
13 | a302bca |
14 | 67b8980 |
15 | 45088e3 |
hex | 2f19b64 |
49388388 has 48 divisors (see below), whose sum is σ = 132123264. Its totient is φ = 14065920.
The previous prime is 49388359. The next prime is 49388393. The reversal of 49388388 is 88388394.
It is a self number, because there is not a number n which added to its sum of digits gives 49388388.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32608 + ... + 34088.
It is an arithmetic number, because the mean of its divisors is an integer number (2752568).
Almost surely, 249388388 is an apocalyptic number.
It is an amenable number.
49388388 is an abundant number, since it is smaller than the sum of its proper divisors (82734876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49388388 is a wasteful number, since it uses less digits than its factorization.
49388388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1892 (or 1890 counting only the distinct ones).
The product of its digits is 1327104, while the sum is 51.
The square root of 49388388 is about 7027.6872440370. The cubic root of 49388388 is about 366.8948511712.
The spelling of 49388388 in words is "forty-nine million, three hundred eighty-eight thousand, three hundred eighty-eight".
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