Base | Representation |
---|---|
bin | 1011101011100… |
… | …1011100100001 |
3 | 10102012011020121 |
4 | 2322321130201 |
5 | 100020302311 |
6 | 4510040241 |
7 | 1133304613 |
oct | 272713441 |
9 | 112164217 |
10 | 48994081 |
11 | 25723a84 |
12 | 144a9081 |
13 | a1c55a6 |
14 | 6714db3 |
15 | 447bb71 |
hex | 2eb9721 |
48994081 has 2 divisors, whose sum is σ = 48994082. Its totient is φ = 48994080.
The previous prime is 48994073. The next prime is 48994093. The reversal of 48994081 is 18049984.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 41486481 + 7507600 = 6441^2 + 2740^2 .
It is a cyclic number.
It is not a de Polignac number, because 48994081 - 23 = 48994073 is a prime.
It is a super-2 number, since 2×489940812 = 4800839946069122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (48994061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24497040 + 24497041.
It is an arithmetic number, because the mean of its divisors is an integer number (24497041).
Almost surely, 248994081 is an apocalyptic number.
It is an amenable number.
48994081 is a deficient number, since it is larger than the sum of its proper divisors (1).
48994081 is an equidigital number, since it uses as much as digits as its factorization.
48994081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 82944, while the sum is 43.
The square root of 48994081 is about 6999.5772015172. The cubic root of 48994081 is about 365.9158361025.
The spelling of 48994081 in words is "forty-eight million, nine hundred ninety-four thousand, eighty-one".
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