Base | Representation |
---|---|
bin | 1010101110110111110011 |
3 | 12021221022000 |
4 | 22232313303 |
5 | 1210012202 |
6 | 140145043 |
7 | 32625261 |
oct | 12566763 |
9 | 5257260 |
10 | 2813427 |
11 | 1651851 |
12 | b38183 |
13 | 776766 |
14 | 533431 |
15 | 3a891c |
hex | 2aedf3 |
2813427 has 16 divisors (see below), whose sum is σ = 4224000. Its totient is φ = 1850472.
The previous prime is 2813423. The next prime is 2813441. The reversal of 2813427 is 7243182.
It is not a de Polignac number, because 2813427 - 22 = 2813423 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 2813427.
It is not an unprimeable number, because it can be changed into a prime (2813423) 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, 1474 + ... + 2792.
It is an arithmetic number, because the mean of its divisors is an integer number (264000).
22813427 is an apocalyptic number.
2813427 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
2813427 is a deficient number, since it is larger than the sum of its proper divisors (1410573).
2813427 is a wasteful number, since it uses less digits than its factorization.
2813427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1407 (or 1401 counting only the distinct ones).
The product of its digits is 2688, while the sum is 27.
The square root of 2813427 is about 1677.3273383571. The cubic root of 2813427 is about 141.1709109024.
It can be divided in two parts, 2813 and 427, that added together give a triangular number (3240 = T80).
The spelling of 2813427 in words is "two million, eight hundred thirteen thousand, four hundred twenty-seven".
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