Base | Representation |
---|---|
bin | 100111100101… |
… | …0111111000011 |
3 | 1110001102122102 |
4 | 1033022333003 |
5 | 20303114441 |
6 | 2020501015 |
7 | 341260241 |
oct | 117127703 |
9 | 43042572 |
10 | 20754371 |
11 | 10796080 |
12 | 6b4a76b |
13 | 43b88c1 |
14 | 2a83791 |
15 | 1c4e69b |
hex | 13cafc3 |
20754371 has 16 divisors (see below), whose sum is σ = 23310720. Its totient is φ = 18318720.
The previous prime is 20754367. The next prime is 20754413. The reversal of 20754371 is 17345702.
It is a cyclic number.
It is not a de Polignac number, because 20754371 - 22 = 20754367 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20754311) 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, 73196 + ... + 73478.
It is an arithmetic number, because the mean of its divisors is an integer number (1456920).
Almost surely, 220754371 is an apocalyptic number.
20754371 is a deficient number, since it is larger than the sum of its proper divisors (2556349).
20754371 is a wasteful number, since it uses less digits than its factorization.
20754371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 466.
The product of its (nonzero) digits is 5880, while the sum is 29.
The square root of 20754371 is about 4555.6965438888. The cubic root of 20754371 is about 274.8125267701.
It can be divided in two parts, 2075 and 4371, that added together give a palindrome (6446).
The spelling of 20754371 in words is "twenty million, seven hundred fifty-four thousand, three hundred seventy-one".
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