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6672245 = 51778497
BaseRepresentation
bin11001011100111101110101
3110112222121012
4121130331311
53202002440
6355002005
7110466416
oct31347565
913488535
106672245
113847a58
122299305
1314c7c98
14c5980d
158bbe65
hex65cf75

6672245 has 8 divisors (see below), whose sum is σ = 8477784. Its totient is φ = 5023744.

The previous prime is 6672229. The next prime is 6672257. The reversal of 6672245 is 5422766.

It can be written as a sum of positive squares in 4 ways, for example, as 556516 + 6115729 = 746^2 + 2473^2 .

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 6672245 - 24 = 6672229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39164 + ... + 39333.

It is an arithmetic number, because the mean of its divisors is an integer number (1059723).

Almost surely, 26672245 is an apocalyptic number.

It is an amenable number.

6672245 is a deficient number, since it is larger than the sum of its proper divisors (1805539).

6672245 is a wasteful number, since it uses less digits than its factorization.

6672245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78519.

The product of its digits is 20160, while the sum is 32.

The square root of 6672245 is about 2583.0689111985. The cubic root of 6672245 is about 188.2596852680.

The spelling of 6672245 in words is "six million, six hundred seventy-two thousand, two hundred forty-five".

Divisors: 1 5 17 85 78497 392485 1334449 6672245