Base | Representation |
---|---|
bin | 100110110011… |
… | …0010001101110 |
3 | 1102021110210121 |
4 | 1031212101232 |
5 | 20201414440 |
6 | 2003555154 |
7 | 334621513 |
oct | 115462156 |
9 | 42243717 |
10 | 20341870 |
11 | 1053416a |
12 | 698baba |
13 | 42a2c13 |
14 | 29b730a |
15 | 1bbc34a |
hex | 136646e |
20341870 has 32 divisors (see below), whose sum is σ = 37664928. Its totient is φ = 7907328.
The previous prime is 20341861. The next prime is 20341879. The reversal of 20341870 is 7814302.
It is an interprime number because it is at equal distance from previous prime (20341861) and next prime (20341879).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20341879) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64834 + ... + 65146.
It is an arithmetic number, because the mean of its divisors is an integer number (1177029).
Almost surely, 220341870 is an apocalyptic number.
20341870 is a deficient number, since it is larger than the sum of its proper divisors (17323058).
20341870 is a wasteful number, since it uses less digits than its factorization.
20341870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 484.
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 20341870 is about 4510.1962263298. The cubic root of 20341870 is about 272.9796618821.
The spelling of 20341870 in words is "twenty million, three hundred forty-one thousand, eight hundred seventy".
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