Base | Representation |
---|---|
bin | 10010101011100… |
… | …010010000111111 |
3 | 210211201111022110 |
4 | 102223202100333 |
5 | 1120212334211 |
6 | 51033145103 |
7 | 10523606466 |
oct | 2253422077 |
9 | 724644273 |
10 | 313402431 |
11 | 1509a8981 |
12 | 88b5b193 |
13 | 4cc11234 |
14 | 2d8a19dd |
15 | 1c7a9ea6 |
hex | 12ae243f |
313402431 has 8 divisors (see below), whose sum is σ = 418050864. Its totient is φ = 208844480.
The previous prime is 313402421. The next prime is 313402451. The reversal of 313402431 is 134204313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 313402431 - 25 = 313402399 is a prime.
It is a super-2 number, since 2×3134024312 = 196442167513419522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 313402398 and 313402407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313402421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14076 + ... + 28721.
It is an arithmetic number, because the mean of its divisors is an integer number (52256358).
Almost surely, 2313402431 is an apocalyptic number.
313402431 is a deficient number, since it is larger than the sum of its proper divisors (104648433).
313402431 is a wasteful number, since it uses less digits than its factorization.
313402431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45241.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 313402431 is about 17703.1757320544. The cubic root of 313402431 is about 679.2569962651.
Adding to 313402431 its reverse (134204313), we get a palindrome (447606744).
The spelling of 313402431 in words is "three hundred thirteen million, four hundred two thousand, four hundred thirty-one".
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