Base | Representation |
---|---|
bin | 100110100100… |
… | …1110101011110 |
3 | 1102001112222221 |
4 | 1031021311132 |
5 | 20134202444 |
6 | 2001255554 |
7 | 333625051 |
oct | 115116536 |
9 | 42045887 |
10 | 20225374 |
11 | 10464694 |
12 | 69345ba |
13 | 4261ba0 |
14 | 2986a98 |
15 | 1b97a84 |
hex | 1349d5e |
20225374 has 16 divisors (see below), whose sum is σ = 32745888. Its totient is φ = 9313632.
The previous prime is 20225371. The next prime is 20225419. The reversal of 20225374 is 47352202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20225371) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22359 + ... + 23245.
It is an arithmetic number, because the mean of its divisors is an integer number (2046618).
Almost surely, 220225374 is an apocalyptic number.
20225374 is a deficient number, since it is larger than the sum of its proper divisors (12520514).
20225374 is a wasteful number, since it uses less digits than its factorization.
20225374 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1779.
The product of its (nonzero) digits is 3360, while the sum is 25.
The square root of 20225374 is about 4497.2629453925. The cubic root of 20225374 is about 272.4575542002.
Adding to 20225374 its reverse (47352202), we get a palindrome (67577576).
It can be divided in two parts, 2022 and 5374, that added together give a square (7396 = 862).
The spelling of 20225374 in words is "twenty million, two hundred twenty-five thousand, three hundred seventy-four".
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