Base | Representation |
---|---|
bin | 100110110111… |
… | …0101000000101 |
3 | 1102100012201020 |
4 | 1031232220011 |
5 | 20204013234 |
6 | 2004421353 |
7 | 335123310 |
oct | 115565005 |
9 | 42305636 |
10 | 20376069 |
11 | 1055792a |
12 | 69a7859 |
13 | 42b565c |
14 | 29c5977 |
15 | 1bc7549 |
hex | 136ea05 |
20376069 has 16 divisors (see below), whose sum is σ = 31132800. Its totient is φ = 11612160.
The previous prime is 20376061. The next prime is 20376101. The reversal of 20376069 is 96067302.
It is not a de Polignac number, because 20376069 - 23 = 20376061 is a prime.
It is a super-2 number, since 2×203760692 = 830368375785522, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20376061) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8349 + ... + 10509.
It is an arithmetic number, because the mean of its divisors is an integer number (1945800).
Almost surely, 220376069 is an apocalyptic number.
It is an amenable number.
20376069 is a deficient number, since it is larger than the sum of its proper divisors (10756731).
20376069 is a wasteful number, since it uses less digits than its factorization.
20376069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2620.
The product of its (nonzero) digits is 13608, while the sum is 33.
The square root of 20376069 is about 4513.9859326320. The cubic root of 20376069 is about 273.1325551447.
The spelling of 20376069 in words is "twenty million, three hundred seventy-six thousand, sixty-nine".
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