Base | Representation |
---|---|
bin | 10010011110101… |
… | …000101110110010 |
3 | 210121100200220211 |
4 | 102132220232302 |
5 | 1113331133132 |
6 | 50432454334 |
7 | 10453064302 |
oct | 2236505662 |
9 | 717320824 |
10 | 310021042 |
11 | 149aa9441 |
12 | 879aa3aa |
13 | 4c2c9106 |
14 | 2d261602 |
15 | 1c33d147 |
hex | 127a8bb2 |
310021042 has 8 divisors (see below), whose sum is σ = 465807132. Its totient is φ = 154752000.
The previous prime is 310021007. The next prime is 310021069. The reversal of 310021042 is 240120013.
310021042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 262148481 + 47872561 = 16191^2 + 6919^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×3100210422 = 192226092965531528, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127759 + ... + 130162.
Almost surely, 2310021042 is an apocalyptic number.
310021042 is a deficient number, since it is larger than the sum of its proper divisors (155786090).
310021042 is a wasteful number, since it uses less digits than its factorization.
310021042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258524.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 310021042 is about 17607.4144041651. The cubic root of 310021042 is about 676.8052577826.
Adding to 310021042 its reverse (240120013), we get a palindrome (550141055).
It can be divided in two parts, 3100 and 21042, that added together give a palindrome (24142).
The spelling of 310021042 in words is "three hundred ten million, twenty-one thousand, forty-two".
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