Base | Representation |
---|---|
bin | 100000111110010… |
… | …110010000110111 |
3 | 1102112222020100121 |
4 | 200332112100313 |
5 | 2113110340111 |
6 | 130521152411 |
7 | 16465151545 |
oct | 4076262067 |
9 | 1375866317 |
10 | 553215031 |
11 | 264303706 |
12 | 13532b707 |
13 | 8a7c7995 |
14 | 53688d95 |
15 | 3387a871 |
hex | 20f96437 |
553215031 has 4 divisors (see below), whose sum is σ = 561006864. Its totient is φ = 545423200.
The previous prime is 553215029. The next prime is 553215041. The reversal of 553215031 is 130512355.
553215031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130512355 = 5 ⋅26102471.
It is a cyclic number.
It is not a de Polignac number, because 553215031 - 21 = 553215029 is a prime.
It is a super-2 number, since 2×5532150312 = 612093741048661922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 553214987 and 553215005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (553215041) 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, 3895810 + ... + 3895951.
It is an arithmetic number, because the mean of its divisors is an integer number (140251716).
Almost surely, 2553215031 is an apocalyptic number.
553215031 is a deficient number, since it is larger than the sum of its proper divisors (7791833).
553215031 is an equidigital number, since it uses as much as digits as its factorization.
553215031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7791832.
The product of its (nonzero) digits is 2250, while the sum is 25.
The square root of 553215031 is about 23520.5236123688. The cubic root of 553215031 is about 820.9146204490.
Adding to 553215031 its reverse (130512355), we get a palindrome (683727386).
The spelling of 553215031 in words is "five hundred fifty-three million, two hundred fifteen thousand, thirty-one".
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