Base | Representation |
---|---|
bin | 100110101001… |
… | …0110010010101 |
3 | 1102010102021211 |
4 | 1031102302111 |
5 | 20141341122 |
6 | 2002141421 |
7 | 334136665 |
oct | 115226225 |
9 | 42112254 |
10 | 20262037 |
11 | 1048a194 |
12 | 6951871 |
13 | 4275793 |
14 | 29961a5 |
15 | 1ba3877 |
hex | 1352c95 |
20262037 has 4 divisors (see below), whose sum is σ = 21328480. Its totient is φ = 19195596.
The previous prime is 20262019. The next prime is 20262049. The reversal of 20262037 is 73026202.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73026202 = 2 ⋅36513101.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20262037 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20261999 and 20262017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20262017) 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, 533193 + ... + 533230.
It is an arithmetic number, because the mean of its divisors is an integer number (5332120).
Almost surely, 220262037 is an apocalyptic number.
It is an amenable number.
20262037 is a deficient number, since it is larger than the sum of its proper divisors (1066443).
20262037 is a wasteful number, since it uses less digits than its factorization.
20262037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1066442.
The product of its (nonzero) digits is 1008, while the sum is 22.
The square root of 20262037 is about 4501.3372457526. The cubic root of 20262037 is about 272.6220848462.
Adding to 20262037 its reverse (73026202), we get a palindrome (93288239).
The spelling of 20262037 in words is "twenty million, two hundred sixty-two thousand, thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •