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6672849 = 32224283
BaseRepresentation
bin11001011101000111010001
3110120000102120
4121131013101
53202012344
6355004453
7110501241
oct31350721
913500376
106672849
113848457
122299729
1314c8341
14c59b21
158bc219
hex65d1d1

6672849 has 4 divisors (see below), whose sum is σ = 8897136. Its totient is φ = 4448564.

The previous prime is 6672817. The next prime is 6672863. The reversal of 6672849 is 9482766.

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.

It is a cyclic number.

It is not a de Polignac number, because 6672849 - 25 = 6672817 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 6672849.

It is not an unprimeable number, because it can be changed into a prime (6672889) 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, 1112139 + ... + 1112144.

It is an arithmetic number, because the mean of its divisors is an integer number (2224284).

Almost surely, 26672849 is an apocalyptic number.

It is an amenable number.

6672849 is a deficient number, since it is larger than the sum of its proper divisors (2224287).

6672849 is a wasteful number, since it uses less digits than its factorization.

6672849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224286.

The product of its digits is 145152, while the sum is 42.

The square root of 6672849 is about 2583.1858237456. The cubic root of 6672849 is about 188.2653657858.

The spelling of 6672849 in words is "six million, six hundred seventy-two thousand, eight hundred forty-nine".

Divisors: 1 3 2224283 6672849