Base | Representation |
---|---|
bin | 110111111011000… |
… | …010110110011001 |
3 | 2102101102202210220 |
4 | 313323002312121 |
5 | 3410141200144 |
6 | 233033230253 |
7 | 32151531666 |
oct | 6773026631 |
9 | 2371382726 |
10 | 938225049 |
11 | 441670403 |
12 | 222262389 |
13 | 11c4bb368 |
14 | 8c86aa6d |
15 | 5757c919 |
hex | 37ec2d99 |
938225049 has 4 divisors (see below), whose sum is σ = 1250966736. Its totient is φ = 625483364.
The previous prime is 938225009. The next prime is 938225077. The reversal of 938225049 is 940522839.
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, and also an emirpimes, since its reverse is a distinct semiprime: 940522839 = 3 ⋅313507613.
It is a cyclic number.
It is not a de Polignac number, because 938225049 - 223 = 929836441 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 938225049.
It is not an unprimeable number, because it can be changed into a prime (938225009) 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, 156370839 + ... + 156370844.
It is an arithmetic number, because the mean of its divisors is an integer number (312741684).
Almost surely, 2938225049 is an apocalyptic number.
It is an amenable number.
938225049 is a deficient number, since it is larger than the sum of its proper divisors (312741687).
938225049 is a wasteful number, since it uses less digits than its factorization.
938225049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 312741686.
The product of its (nonzero) digits is 155520, while the sum is 42.
The square root of 938225049 is about 30630.4594970431. The cubic root of 938225049 is about 978.9691537979.
The spelling of 938225049 in words is "nine hundred thirty-eight million, two hundred twenty-five thousand, forty-nine".
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