Base | Representation |
---|---|
bin | 1011110011001… |
… | …1001110100001 |
3 | 10110010111111021 |
4 | 2330303032201 |
5 | 100132233042 |
6 | 4524445441 |
7 | 1140453106 |
oct | 274631641 |
9 | 113114437 |
10 | 49492897 |
11 | 25a34823 |
12 | 146a9881 |
13 | a33b64c |
14 | 6804aad |
15 | 4529867 |
hex | 2f333a1 |
49492897 has 4 divisors (see below), whose sum is σ = 49554736. Its totient is φ = 49431060.
The previous prime is 49492873. The next prime is 49492921. The reversal of 49492897 is 79829494.
It is a happy number.
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: 79829494 = 2 ⋅39914747.
It is an interprime number because it is at equal distance from previous prime (49492873) and next prime (49492921).
It is a cyclic number.
It is not a de Polignac number, because 49492897 - 215 = 49460129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49492847) 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, 29703 + ... + 31324.
It is an arithmetic number, because the mean of its divisors is an integer number (12388684).
Almost surely, 249492897 is an apocalyptic number.
It is an amenable number.
49492897 is a deficient number, since it is larger than the sum of its proper divisors (61839).
49492897 is an equidigital number, since it uses as much as digits as its factorization.
49492897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61838.
The product of its digits is 1306368, while the sum is 52.
The square root of 49492897 is about 7035.1188333958. The cubic root of 49492897 is about 367.1534598666.
The spelling of 49492897 in words is "forty-nine million, four hundred ninety-two thousand, eight hundred ninety-seven".
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