Base | Representation |
---|---|
bin | 1011111001101110001101 |
3 | 12212111212001 |
4 | 23321232031 |
5 | 1244320023 |
6 | 150512301 |
7 | 35343151 |
oct | 13715615 |
9 | 5774761 |
10 | 3120013 |
11 | 1841126 |
12 | 1065691 |
13 | 853180 |
14 | 5b3061 |
15 | 4196ad |
hex | 2f9b8d |
3120013 has 8 divisors (see below), whose sum is σ = 3392928. Its totient is φ = 2851824.
The previous prime is 3120011. The next prime is 3120017. The reversal of 3120013 is 3100213.
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 3120013 - 21 = 3120011 is a prime.
It is a super-2 number, since 2×31200132 = 19468962240338, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3120011) 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, 270 + ... + 2512.
It is an arithmetic number, because the mean of its divisors is an integer number (424116).
Almost surely, 23120013 is an apocalyptic number.
It is an amenable number.
3120013 is a deficient number, since it is larger than the sum of its proper divisors (272915).
3120013 is a wasteful number, since it uses less digits than its factorization.
3120013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2363.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 3120013 is about 1766.3558531621. The cubic root of 3120013 is about 146.1230744294.
Adding to 3120013 its reverse (3100213), we get a palindrome (6220226).
It can be divided in two parts, 31200 and 13, that added together give a palindrome (31213).
The spelling of 3120013 in words is "three million, one hundred twenty thousand, thirteen".
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