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6225143 = 13745439
BaseRepresentation
bin10111101111110011110111
3102201021021212
4113233303313
53043201033
6341232035
7103625051
oct27576367
912637255
106225143
113572051
12210261b
13139c622
14b808d1
1582e748
hex5efcf7

6225143 has 4 divisors (see below), whose sum is σ = 6270720. Its totient is φ = 6179568.

The previous prime is 6225137. The next prime is 6225181. The reversal of 6225143 is 3415226.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6225143 - 214 = 6208759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6125143) 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, 22583 + ... + 22856.

It is an arithmetic number, because the mean of its divisors is an integer number (1567680).

Almost surely, 26225143 is an apocalyptic number.

6225143 is a deficient number, since it is larger than the sum of its proper divisors (45577).

6225143 is a wasteful number, since it uses less digits than its factorization.

6225143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45576.

The product of its digits is 1440, while the sum is 23.

The square root of 6225143 is about 2495.0236471825. The cubic root of 6225143 is about 183.9570532250.

The spelling of 6225143 in words is "six million, two hundred twenty-five thousand, one hundred forty-three".

Divisors: 1 137 45439 6225143