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6672891 = 317130841
BaseRepresentation
bin11001011101000111111011
3110120000111010
4121131013323
53202013031
6355005003
7110501331
oct31350773
913500433
106672891
113848495
122299763
1314c8374
14c59b51
158bc246
hex65d1fb

6672891 has 8 divisors (see below), whose sum is σ = 9420624. Its totient is φ = 4186880.

The previous prime is 6672889. The next prime is 6672899. The reversal of 6672891 is 1982766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6672891 - 21 = 6672889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6672899) 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, 65370 + ... + 65471.

It is an arithmetic number, because the mean of its divisors is an integer number (1177578).

Almost surely, 26672891 is an apocalyptic number.

6672891 is a deficient number, since it is larger than the sum of its proper divisors (2747733).

6672891 is a wasteful number, since it uses less digits than its factorization.

6672891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130861.

The product of its digits is 36288, while the sum is 39.

The square root of 6672891 is about 2583.1939532292. The cubic root of 6672891 is about 188.2657607759.

The spelling of 6672891 in words is "six million, six hundred seventy-two thousand, eight hundred ninety-one".

Divisors: 1 3 17 51 130841 392523 2224297 6672891