Base | Representation |
---|---|
bin | 1000001100011001011010 |
3 | 11001010101222 |
4 | 20030121122 |
5 | 1022213210 |
6 | 114012042 |
7 | 24154121 |
oct | 10143132 |
9 | 4033358 |
10 | 2147930 |
11 | 1237854 |
12 | 877022 |
13 | 5a2885 |
14 | 3dcab8 |
15 | 2c6655 |
hex | 20c65a |
2147930 has 16 divisors (see below), whose sum is σ = 3883680. Its totient is φ = 855312.
The previous prime is 2147923. The next prime is 2147941. The reversal of 2147930 is 397412.
It is a super-2 number, since 2×21479302 = 9227206569800, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2147930.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3161 + ... + 3779.
It is an arithmetic number, because the mean of its divisors is an integer number (242730).
22147930 is an apocalyptic number.
2147930 is a deficient number, since it is larger than the sum of its proper divisors (1735750).
2147930 is a wasteful number, since it uses less digits than its factorization.
2147930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 973.
The product of its (nonzero) digits is 1512, while the sum is 26.
The square root of 2147930 is about 1465.5817957385. The cubic root of 2147930 is about 129.0248534931.
The spelling of 2147930 in words is "two million, one hundred forty-seven thousand, nine hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •