Base | Representation |
---|---|
bin | 11001100111111… |
… | …11000111011001 |
3 | 112222110211002012 |
4 | 30303333013121 |
5 | 420012020312 |
6 | 33155115305 |
7 | 5220040244 |
oct | 1463770731 |
9 | 488424065 |
10 | 214954457 |
11 | 100377513 |
12 | 5bba2b35 |
13 | 356c1cb3 |
14 | 2079625b |
15 | 13d10322 |
hex | ccff1d9 |
214954457 has 4 divisors (see below), whose sum is σ = 216273360. Its totient is φ = 213635556.
The previous prime is 214954451. The next prime is 214954483. The reversal of 214954457 is 754459412.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 214954457 - 210 = 214953433 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (214954451) 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, 659207 + ... + 659532.
It is an arithmetic number, because the mean of its divisors is an integer number (54068340).
Almost surely, 2214954457 is an apocalyptic number.
It is an amenable number.
214954457 is a deficient number, since it is larger than the sum of its proper divisors (1318903).
214954457 is a wasteful number, since it uses less digits than its factorization.
214954457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1318902.
The product of its digits is 201600, while the sum is 41.
The square root of 214954457 is about 14661.3252129540. The cubic root of 214954457 is about 599.0303384011.
It can be divided in two parts, 21495 and 4457, that added together give a palindrome (25952).
The spelling of 214954457 in words is "two hundred fourteen million, nine hundred fifty-four thousand, four hundred fifty-seven".
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