Base | Representation |
---|---|
bin | 1100110111000… |
… | …0011010000101 |
3 | 10202111022202012 |
4 | 3031300122011 |
5 | 102302002142 |
6 | 5204024005 |
7 | 1223315024 |
oct | 315603205 |
9 | 122438665 |
10 | 53937797 |
11 | 284a02a1 |
12 | 16092005 |
13 | b236874 |
14 | 72408bb |
15 | 4b06882 |
hex | 3370685 |
53937797 has 4 divisors (see below), whose sum is σ = 53954316. Its totient is φ = 53921280.
The previous prime is 53937773. The next prime is 53937817. The reversal of 53937797 is 79773935.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79773935 = 5 ⋅15954787.
It can be written as a sum of positive squares in 2 ways, for example, as 16654561 + 37283236 = 4081^2 + 6106^2 .
It is a cyclic number.
It is not a de Polignac number, because 53937797 - 26 = 53937733 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53937727) 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, 1538 + ... + 10499.
It is an arithmetic number, because the mean of its divisors is an integer number (13488579).
Almost surely, 253937797 is an apocalyptic number.
It is an amenable number.
53937797 is a deficient number, since it is larger than the sum of its proper divisors (16519).
53937797 is a wasteful number, since it uses less digits than its factorization.
53937797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16518.
The product of its digits is 1250235, while the sum is 50.
The square root of 53937797 is about 7344.2356307515. The cubic root of 53937797 is about 377.8311279678.
The spelling of 53937797 in words is "fifty-three million, nine hundred thirty-seven thousand, seven hundred ninety-seven".
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