Base | Representation |
---|---|
bin | 100110110011… |
… | …0010011000010 |
3 | 1102021110220201 |
4 | 1031212103002 |
5 | 20201420304 |
6 | 2003555414 |
7 | 334621663 |
oct | 115462302 |
9 | 42243821 |
10 | 20341954 |
11 | 10534236 |
12 | 698bb6a |
13 | 42a2c79 |
14 | 29b736a |
15 | 1bbc3a4 |
hex | 13664c2 |
20341954 has 8 divisors (see below), whose sum is σ = 30535740. Its totient is φ = 10163376.
The previous prime is 20341933. The next prime is 20341957. The reversal of 20341954 is 45914302.
It can be written as a sum of positive squares in 2 ways, for example, as 18966025 + 1375929 = 4355^2 + 1173^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (20341957) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532 + ... + 6400.
Almost surely, 220341954 is an apocalyptic number.
20341954 is a deficient number, since it is larger than the sum of its proper divisors (10193786).
20341954 is a wasteful number, since it uses less digits than its factorization.
20341954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7604.
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 20341954 is about 4510.2055385536. The cubic root of 20341954 is about 272.9800376303.
The spelling of 20341954 in words is "twenty million, three hundred forty-one thousand, nine hundred fifty-four".
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