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6672349 = 29230081
BaseRepresentation
bin11001011100111111011101
3110112222202001
4121130333131
53202003344
6355002301
7110466625
oct31347735
913488661
106672349
113848042
122299391
1314c8048
14c59885
158bbed4
hex65cfdd

6672349 has 4 divisors (see below), whose sum is σ = 6902460. Its totient is φ = 6442240.

The previous prime is 6672331. The next prime is 6672359. The reversal of 6672349 is 9432766.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3305124 + 3367225 = 1818^2 + 1835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6672349 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 (6672319) 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, 115012 + ... + 115069.

It is an arithmetic number, because the mean of its divisors is an integer number (1725615).

Almost surely, 26672349 is an apocalyptic number.

It is an amenable number.

6672349 is a deficient number, since it is larger than the sum of its proper divisors (230111).

6672349 is a wasteful number, since it uses less digits than its factorization.

6672349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230110.

The product of its digits is 54432, while the sum is 37.

The square root of 6672349 is about 2583.0890422128. The cubic root of 6672349 is about 188.2606633948.

It can be divided in two parts, 6672 and 349, that added together give a triangular number (7021 = T118).

The spelling of 6672349 in words is "six million, six hundred seventy-two thousand, three hundred forty-nine".

Divisors: 1 29 230081 6672349