Base | Representation |
---|---|
bin | 100110011010… |
… | …1100100010000 |
3 | 1101220100010001 |
4 | 1030311210100 |
5 | 20124023402 |
6 | 1555415344 |
7 | 333131026 |
oct | 114654420 |
9 | 41810101 |
10 | 20142352 |
11 | 1040827a |
12 | 68b4554 |
13 | 4233169 |
14 | 2964716 |
15 | 1b7d187 |
hex | 1335910 |
20142352 has 20 divisors (see below), whose sum is σ = 39124480. Its totient is φ = 10045728.
The previous prime is 20142349. The next prime is 20142359. The reversal of 20142352 is 25324102.
It is not an unprimeable number, because it can be changed into a prime (20142359) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6049 + ... + 8767.
It is an arithmetic number, because the mean of its divisors is an integer number (1956224).
Almost surely, 220142352 is an apocalyptic number.
It is an amenable number.
20142352 is a deficient number, since it is larger than the sum of its proper divisors (18982128).
20142352 is a wasteful number, since it uses less digits than its factorization.
20142352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3190 (or 3184 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 20142352 is about 4488.0231728457. The cubic root of 20142352 is about 272.0842443779.
Adding to 20142352 its reverse (25324102), we get a palindrome (45466454).
The spelling of 20142352 in words is "twenty million, one hundred forty-two thousand, three hundred fifty-two".
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