Base | Representation |
---|---|
bin | 101001101110111… |
… | …0001100101110111 |
3 | 10121120221100000001 |
4 | 1103131301211313 |
5 | 10331440023411 |
6 | 350541332131 |
7 | 46462321531 |
oct | 12335614567 |
9 | 3546840001 |
10 | 1400314231 |
11 | 659493898 |
12 | 330b67047 |
13 | 19415b804 |
14 | d3d94851 |
15 | 82e07dc1 |
hex | 53771977 |
1400314231 has 8 divisors (see below), whose sum is σ = 1498180400. Its totient is φ = 1304864640.
The previous prime is 1400314211. The next prime is 1400314241. The reversal of 1400314231 is 1324130041.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1400314231 is a prime.
It is a super-2 number, since 2×14003142312 = 3921759891082242722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 1400314199 and 1400314208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1400314211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602946 + ... + 605263.
It is an arithmetic number, because the mean of its divisors is an integer number (187272550).
Almost surely, 21400314231 is an apocalyptic number.
1400314231 is a deficient number, since it is larger than the sum of its proper divisors (97866169).
1400314231 is a wasteful number, since it uses less digits than its factorization.
1400314231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1208289.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1400314231 is about 37420.7727205091. The cubic root of 1400314231 is about 1118.7726326643.
Adding to 1400314231 its reverse (1324130041), we get a palindrome (2724444272).
The spelling of 1400314231 in words is "one billion, four hundred million, three hundred fourteen thousand, two hundred thirty-one".
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