Base | Representation |
---|---|
bin | 11011000011110… |
… | …111111100010101 |
3 | 1011122021121110211 |
4 | 123003313330111 |
5 | 1412211003110 |
6 | 113014445421 |
7 | 14151640225 |
oct | 3303677425 |
9 | 1148247424 |
10 | 454000405 |
11 | 2132a9251 |
12 | 108063871 |
13 | 7309a7c1 |
14 | 44420085 |
15 | 29ccd98a |
hex | 1b0f7f15 |
454000405 has 4 divisors (see below), whose sum is σ = 544800492. Its totient is φ = 363200320.
The previous prime is 454000403. The next prime is 454000433. The reversal of 454000405 is 504000454.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 63266116 + 390734289 = 7954^2 + 19767^2 .
It is not a de Polignac number, because 454000405 - 21 = 454000403 is a prime.
It is a super-2 number, since 2×4540004052 = 412232735480328050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (454000403) 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, 45400036 + ... + 45400045.
It is an arithmetic number, because the mean of its divisors is an integer number (136200123).
Almost surely, 2454000405 is an apocalyptic number.
It is an amenable number.
454000405 is a deficient number, since it is larger than the sum of its proper divisors (90800087).
454000405 is an equidigital number, since it uses as much as digits as its factorization.
454000405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90800086.
The product of its (nonzero) digits is 1600, while the sum is 22.
The square root of 454000405 is about 21307.2852564563. The cubic root of 454000405 is about 768.5735128821.
Adding to 454000405 its reverse (504000454), we get a palindrome (958000859).
The spelling of 454000405 in words is "four hundred fifty-four million, four hundred five", and thus it is an aban number.
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