Base | Representation |
---|---|
bin | 11001100000111… |
… | …10111111001111 |
3 | 112220202011210020 |
4 | 30300132333033 |
5 | 414243131211 |
6 | 33123313223 |
7 | 5206164630 |
oct | 1460367717 |
9 | 486664706 |
10 | 214036431 |
11 | aa8aa814 |
12 | 5b81b813 |
13 | 3546019b |
14 | 205d7887 |
15 | 13bcd306 |
hex | cc1efcf |
214036431 has 16 divisors (see below), whose sum is σ = 336672768. Its totient is φ = 118360800.
The previous prime is 214036423. The next prime is 214036439. The reversal of 214036431 is 134630412.
It is an interprime number because it is at equal distance from previous prime (214036423) and next prime (214036439).
It is not a de Polignac number, because 214036431 - 23 = 214036423 is a prime.
It is a super-2 number, since 2×2140364312 = 91623187590435522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214036439) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163740 + ... + 165041.
It is an arithmetic number, because the mean of its divisors is an integer number (21042048).
Almost surely, 2214036431 is an apocalyptic number.
214036431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
214036431 is a deficient number, since it is larger than the sum of its proper divisors (122636337).
214036431 is a wasteful number, since it uses less digits than its factorization.
214036431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328822.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 214036431 is about 14629.9839712831. The cubic root of 214036431 is about 598.1763432983.
Adding to 214036431 its reverse (134630412), we get a palindrome (348666843).
The spelling of 214036431 in words is "two hundred fourteen million, thirty-six thousand, four hundred thirty-one".
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