Base | Representation |
---|---|
bin | 1100101001000… |
… | …0110100101110 |
3 | 10200202210111201 |
4 | 3022100310232 |
5 | 102033200443 |
6 | 5132240114 |
7 | 1212452041 |
oct | 312206456 |
9 | 120683451 |
10 | 53021998 |
11 | 27a25237 |
12 | 1591003a |
13 | aca5a83 |
14 | 7082c58 |
15 | 49c534d |
hex | 3290d2e |
53021998 has 4 divisors (see below), whose sum is σ = 79533000. Its totient is φ = 26510998.
The previous prime is 53021971. The next prime is 53022001. The reversal of 53021998 is 89912035.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×530219982 = 5622664543824008, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13255498 + ... + 13255501.
It is an arithmetic number, because the mean of its divisors is an integer number (19883250).
Almost surely, 253021998 is an apocalyptic number.
53021998 is a deficient number, since it is larger than the sum of its proper divisors (26511002).
53021998 is a wasteful number, since it uses less digits than its factorization.
53021998 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26511001.
The product of its (nonzero) digits is 19440, while the sum is 37.
The square root of 53021998 is about 7281.6205613860. The cubic root of 53021998 is about 375.6805372740.
Adding to 53021998 its sum of digits (37), we get a palindrome (53022035).
The spelling of 53021998 in words is "fifty-three million, twenty-one thousand, nine hundred ninety-eight".
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