Base | Representation |
---|---|
bin | 1011111000111… |
… | …1100000111011 |
3 | 10110211201000122 |
4 | 2332033200323 |
5 | 100231332112 |
6 | 4540523455 |
7 | 1143616142 |
oct | 276174073 |
9 | 113751018 |
10 | 49870907 |
11 | 26172829 |
12 | 1485058b |
13 | a441718 |
14 | 68a2759 |
15 | 45a1872 |
hex | 2f8f83b |
49870907 has 4 divisors (see below), whose sum is σ = 49885056. Its totient is φ = 49856760.
The previous prime is 49870889. The next prime is 49870913. The reversal of 49870907 is 70907894.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 49870907 - 224 = 33093691 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49870207) 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, 2918 + ... + 10404.
It is an arithmetic number, because the mean of its divisors is an integer number (12471264).
Almost surely, 249870907 is an apocalyptic number.
49870907 is a deficient number, since it is larger than the sum of its proper divisors (14149).
49870907 is an equidigital number, since it uses as much as digits as its factorization.
49870907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14148.
The product of its (nonzero) digits is 127008, while the sum is 44.
The square root of 49870907 is about 7061.9336587085. The cubic root of 49870907 is about 368.0858214892.
The spelling of 49870907 in words is "forty-nine million, eight hundred seventy thousand, nine hundred seven".
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