Base | Representation |
---|---|
bin | 1011111001110… |
… | …0111011101101 |
3 | 10110221111102021 |
4 | 2332130323231 |
5 | 100240111434 |
6 | 4542030141 |
7 | 1144235320 |
oct | 276347355 |
9 | 113844367 |
10 | 49925869 |
11 | 26200054 |
12 | 14878351 |
13 | a460746 |
14 | 68b87b7 |
15 | 45b2cb4 |
hex | 2f9ceed |
49925869 has 4 divisors (see below), whose sum is σ = 57058144. Its totient is φ = 42793596.
The previous prime is 49925861. The next prime is 49925873. The reversal of 49925869 is 96852994.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 49925869 - 23 = 49925861 is a prime.
It is a super-3 number, since 3×499258693 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49925861) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3566127 + ... + 3566140.
It is an arithmetic number, because the mean of its divisors is an integer number (14264536).
Almost surely, 249925869 is an apocalyptic number.
It is an amenable number.
49925869 is a deficient number, since it is larger than the sum of its proper divisors (7132275).
49925869 is an equidigital number, since it uses as much as digits as its factorization.
49925869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7132274.
The product of its digits is 1399680, while the sum is 52.
The square root of 49925869 is about 7065.8240142251. The cubic root of 49925869 is about 368.2209925183.
The spelling of 49925869 in words is "forty-nine million, nine hundred twenty-five thousand, eight hundred sixty-nine".
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