Base | Representation |
---|---|
bin | 1011101110101… |
… | …1000011010101 |
3 | 10102120110222002 |
4 | 2323223003111 |
5 | 100043303034 |
6 | 4514245045 |
7 | 1135112162 |
oct | 273530325 |
9 | 112513862 |
10 | 49197269 |
11 | 25852700 |
12 | 14586785 |
13 | a266c14 |
14 | 6769069 |
15 | 44bbe7e |
hex | 2eeb0d5 |
49197269 has 12 divisors (see below), whose sum is σ = 57259692. Its totient is φ = 42092160.
The previous prime is 49197241. The next prime is 49197277. The reversal of 49197269 is 96279194.
It can be written as a sum of positive squares in 2 ways, for example, as 34374769 + 14822500 = 5863^2 + 3850^2 .
It is a de Polignac number, because none of the positive numbers 2k-49197269 is a prime.
It is a super-2 number, since 2×491972692 = 4840742554116722, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49197769) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9902 + ... + 14015.
It is an arithmetic number, because the mean of its divisors is an integer number (4771641).
Almost surely, 249197269 is an apocalyptic number.
It is an amenable number.
49197269 is a deficient number, since it is larger than the sum of its proper divisors (8062423).
49197269 is a wasteful number, since it uses less digits than its factorization.
49197269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23956 (or 23945 counting only the distinct ones).
The product of its digits is 244944, while the sum is 47.
The square root of 49197269 is about 7014.0764894603. The cubic root of 49197269 is about 366.4209798576.
The spelling of 49197269 in words is "forty-nine million, one hundred ninety-seven thousand, two hundred sixty-nine".
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