Base | Representation |
---|---|
bin | 11011001001100… |
… | …111010011101011 |
3 | 1011202010001120102 |
4 | 123021213103223 |
5 | 1413102131011 |
6 | 113111020015 |
7 | 14200505204 |
oct | 3311472353 |
9 | 1152101512 |
10 | 455505131 |
11 | 214136824 |
12 | 10866a60b |
13 | 734a6683 |
14 | 446d25ab |
15 | 29ec973b |
hex | 1b2674eb |
455505131 has 4 divisors (see below), whose sum is σ = 456323472. Its totient is φ = 454686792.
The previous prime is 455505097. The next prime is 455505137. The reversal of 455505131 is 131505554.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131505554 = 2 ⋅65752777.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-455505131 is a prime.
It is a super-2 number, since 2×4555051312 = 414969848734654322, 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 = 455505094 and 455505103.
It is not an unprimeable number, because it can be changed into a prime (455505137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408335 + ... + 409448.
It is an arithmetic number, because the mean of its divisors is an integer number (114080868).
Almost surely, 2455505131 is an apocalyptic number.
455505131 is a deficient number, since it is larger than the sum of its proper divisors (818341).
455505131 is an equidigital number, since it uses as much as digits as its factorization.
455505131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 818340.
The product of its (nonzero) digits is 7500, while the sum is 29.
The square root of 455505131 is about 21342.5661765403. The cubic root of 455505131 is about 769.4216892277.
The spelling of 455505131 in words is "four hundred fifty-five million, five hundred five thousand, one hundred thirty-one".
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