Base | Representation |
---|---|
bin | 1011101011101… |
… | …0011001100100 |
3 | 10102012100121022 |
4 | 2322322121210 |
5 | 100020413423 |
6 | 4510110312 |
7 | 1133322164 |
oct | 272723144 |
9 | 112170538 |
10 | 48997988 |
11 | 25726a06 |
12 | 144ab398 |
13 | a1c72c0 |
14 | 67165a4 |
15 | 447cdc8 |
hex | 2eba664 |
48997988 has 12 divisors (see below), whose sum is σ = 92342460. Its totient is φ = 22614432.
The previous prime is 48997969. The next prime is 48997999. The reversal of 48997988 is 88979984.
It can be written as a sum of positive squares in 2 ways, for example, as 32171584 + 16826404 = 5672^2 + 4102^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 48997988.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471083 + ... + 471186.
It is an arithmetic number, because the mean of its divisors is an integer number (7695205).
Almost surely, 248997988 is an apocalyptic number.
It is an amenable number.
48997988 is a deficient number, since it is larger than the sum of its proper divisors (43344472).
48997988 is a wasteful number, since it uses less digits than its factorization.
48997988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 942286 (or 942284 counting only the distinct ones).
The product of its digits is 10450944, while the sum is 62.
The square root of 48997988 is about 6999.8562842390. The cubic root of 48997988 is about 365.9255624146.
The spelling of 48997988 in words is "forty-eight million, nine hundred ninety-seven thousand, nine hundred eighty-eight".
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