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2672231 = 3186201
BaseRepresentation
bin1010001100011001100111
312000202121112
422030121213
51141002411
6133135235
731466522
oct12143147
95022545
102672231
111565761
12a8a51b
13727403
144d7bb9
1537bb8b
hex28c667

2672231 has 4 divisors (see below), whose sum is σ = 2758464. Its totient is φ = 2586000.

The previous prime is 2672203. The next prime is 2672233. The reversal of 2672231 is 1322762.

2672231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2672231 is a prime.

It is a super-2 number, since 2×26722312 = 14281637034722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2672197 and 2672206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2672233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43070 + ... + 43131.

It is an arithmetic number, because the mean of its divisors is an integer number (689616).

22672231 is an apocalyptic number.

2672231 is a deficient number, since it is larger than the sum of its proper divisors (86233).

2672231 is an equidigital number, since it uses as much as digits as its factorization.

2672231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86232.

The product of its digits is 1008, while the sum is 23.

The square root of 2672231 is about 1634.6959962024. The cubic root of 2672231 is about 138.7686401924.

Adding to 2672231 its reverse (1322762), we get a palindrome (3994993).

The spelling of 2672231 in words is "two million, six hundred seventy-two thousand, two hundred thirty-one".

Divisors: 1 31 86201 2672231