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2689227 = 33103967
BaseRepresentation
bin1010010000100011001011
312001121221000
422100203023
51142023402
6133350043
731600212
oct12204313
95047830
102689227
111577502
12a98323
13732078
14500079
15381c1c
hex2908cb

2689227 has 16 divisors (see below), whose sum is σ = 4026880. Its totient is φ = 1773576.

The previous prime is 2689223. The next prime is 2689243. The reversal of 2689227 is 7229862.

It is not a de Polignac number, because 2689227 - 22 = 2689223 is a prime.

It is a Duffinian number.

2689227 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2689191 and 2689200.

It is not an unprimeable number, because it can be changed into a prime (2689223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2298 + ... + 3264.

It is an arithmetic number, because the mean of its divisors is an integer number (251680).

22689227 is an apocalyptic number.

2689227 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2689227 is a deficient number, since it is larger than the sum of its proper divisors (1337653).

2689227 is a wasteful number, since it uses less digits than its factorization.

2689227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1073 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2689227 is about 1639.8862765448. The cubic root of 2689227 is about 139.0622187513.

It can be divided in two parts, 2689 and 227, that added together give a square (2916 = 542).

The spelling of 2689227 in words is "two million, six hundred eighty-nine thousand, two hundred twenty-seven".

Divisors: 1 3 9 27 103 309 927 967 2781 2901 8703 26109 99601 298803 896409 2689227