Base | Representation |
---|---|
bin | 1010011000110101000110 |
3 | 12010100110010 |
4 | 22120311012 |
5 | 1144120032 |
6 | 134211050 |
7 | 32101122 |
oct | 12306506 |
9 | 5110403 |
10 | 2723142 |
11 | 159aa34 |
12 | ab3a86 |
13 | 744636 |
14 | 50c582 |
15 | 38bccc |
hex | 298d46 |
2723142 has 16 divisors (see below), whose sum is σ = 5468400. Its totient is φ = 904032.
The previous prime is 2723113. The next prime is 2723143. The reversal of 2723142 is 2413272.
It is a plaindrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2723143) 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, 984 + ... + 2532.
It is an arithmetic number, because the mean of its divisors is an integer number (341775).
22723142 is an apocalyptic number.
2723142 is an abundant number, since it is smaller than the sum of its proper divisors (2745258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2723142 is a wasteful number, since it uses less digits than its factorization.
2723142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1847.
The product of its digits is 672, while the sum is 21.
The square root of 2723142 is about 1650.1945339868. The cubic root of 2723142 is about 139.6443694948.
The spelling of 2723142 in words is "two million, seven hundred twenty-three thousand, one hundred forty-two".
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