Base | Representation |
---|---|
bin | 1011100110101… |
… | …0000011000101 |
3 | 10101120122010201 |
4 | 2321222003011 |
5 | 44424400434 |
6 | 4455050501 |
7 | 1130451514 |
oct | 271520305 |
9 | 111518121 |
10 | 48668869 |
11 | 25521707 |
12 | 14370a31 |
13 | a110562 |
14 | 666c67b |
15 | 4415614 |
hex | 2e6a0c5 |
48668869 has 2 divisors, whose sum is σ = 48668870. Its totient is φ = 48668868.
The previous prime is 48668831. The next prime is 48668903. The reversal of 48668869 is 96886684.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 47541025 + 1127844 = 6895^2 + 1062^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-48668869 is a prime.
It is a super-2 number, since 2×486688692 = 4737317619478322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (48668369) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24334434 + 24334435.
It is an arithmetic number, because the mean of its divisors is an integer number (24334435).
Almost surely, 248668869 is an apocalyptic number.
It is an amenable number.
48668869 is a deficient number, since it is larger than the sum of its proper divisors (1).
48668869 is an equidigital number, since it uses as much as digits as its factorization.
48668869 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3981312, while the sum is 55.
The square root of 48668869 is about 6976.3076910354. The cubic root of 48668869 is about 365.1044149888.
The spelling of 48668869 in words is "forty-eight million, six hundred sixty-eight thousand, eight hundred sixty-nine".
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