Base | Representation |
---|---|
bin | 1000001010101000101011 |
3 | 11000202111202 |
4 | 20022220223 |
5 | 1022000330 |
6 | 113514415 |
7 | 24124103 |
oct | 10125053 |
9 | 4022452 |
10 | 2140715 |
11 | 1232395 |
12 | 872a0b |
13 | 59c4c5 |
14 | 3da203 |
15 | 2c4445 |
hex | 20aa2b |
2140715 has 4 divisors (see below), whose sum is σ = 2568864. Its totient is φ = 1712568.
The previous prime is 2140681. The next prime is 2140729. The reversal of 2140715 is 5170412.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2140715 - 28 = 2140459 is a prime.
It is a super-2 number, since 2×21407152 = 9165321422450, which contains 22 as substring.
It is a Duffinian number.
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, 214067 + ... + 214076.
It is an arithmetic number, because the mean of its divisors is an integer number (642216).
22140715 is an apocalyptic number.
2140715 is a deficient number, since it is larger than the sum of its proper divisors (428149).
2140715 is an equidigital number, since it uses as much as digits as its factorization.
2140715 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428148.
The product of its (nonzero) digits is 280, while the sum is 20.
The square root of 2140715 is about 1463.1182453924. The cubic root of 2140715 is about 128.8802245409.
The spelling of 2140715 in words is "two million, one hundred forty thousand, seven hundred fifteen".
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