Base | Representation |
---|---|
bin | 11011000101111… |
… | …100001100110011 |
3 | 1011200022010120202 |
4 | 123011330030303 |
5 | 1412330322011 |
6 | 113034225415 |
7 | 14156354501 |
oct | 3305741463 |
9 | 1150263522 |
10 | 454542131 |
11 | 21363925a |
12 | 10828526b |
13 | 7322a254 |
14 | 44521671 |
15 | 29d8923b |
hex | 1b17c333 |
454542131 has 2 divisors, whose sum is σ = 454542132. Its totient is φ = 454542130.
The previous prime is 454542089. The next prime is 454542133. The reversal of 454542131 is 131245454.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-454542131 is a prime.
It is a super-2 number, since 2×4545421312 = 413217097708042322, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 454542133, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 454542094 and 454542103.
It is not a weakly prime, because it can be changed into another prime (454542133) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227271065 + 227271066.
It is an arithmetic number, because the mean of its divisors is an integer number (227271066).
Almost surely, 2454542131 is an apocalyptic number.
454542131 is a deficient number, since it is larger than the sum of its proper divisors (1).
454542131 is an equidigital number, since it uses as much as digits as its factorization.
454542131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 9600, while the sum is 29.
The square root of 454542131 is about 21319.9936913687. The cubic root of 454542131 is about 768.8790858561.
Adding to 454542131 its reverse (131245454), we get a palindrome (585787585).
The spelling of 454542131 in words is "four hundred fifty-four million, five hundred forty-two thousand, one hundred thirty-one".
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