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2672765 = 5534553
BaseRepresentation
bin1010001100100001111101
312000210100022
422030201331
51141012030
6133141525
731501214
oct12144175
95023308
102672765
1115660a7
12a8a8a5
13727724
144d807b
1537bde5
hex28c87d

2672765 has 4 divisors (see below), whose sum is σ = 3207324. Its totient is φ = 2138208.

The previous prime is 2672731. The next prime is 2672767. The reversal of 2672765 is 5672762.

It is a happy number.

2672765 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, and also an emirpimes, since its reverse is a distinct semiprime: 5672762 = 22836381.

It can be written as a sum of positive squares in 2 ways, for example, as 879844 + 1792921 = 938^2 + 1339^2 .

It is a cyclic number.

It is not a de Polignac number, because 2672765 - 26 = 2672701 is a prime.

It is a d-powerful number, because it can be written as 27 + 66 + 76 + 211 + 77 + 68 + 55 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2672767) 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, 267272 + ... + 267281.

It is an arithmetic number, because the mean of its divisors is an integer number (801831).

22672765 is an apocalyptic number.

It is an amenable number.

2672765 is a deficient number, since it is larger than the sum of its proper divisors (534559).

2672765 is an equidigital number, since it uses as much as digits as its factorization.

2672765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534558.

The product of its digits is 35280, while the sum is 35.

The square root of 2672765 is about 1634.8593211650. The cubic root of 2672765 is about 138.7778830958. Note that the first 3 decimals are identical.

The spelling of 2672765 in words is "two million, six hundred seventy-two thousand, seven hundred sixty-five".

Divisors: 1 5 534553 2672765