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2906269 = 17170957
BaseRepresentation
bin1011000101100010011101
312110122122121
423011202131
51221000034
6142142541
733463042
oct13054235
95418577
102906269
111705583
12b81a51
137a9ab2
145591c9
153c61b4
hex2c589d

2906269 has 4 divisors (see below), whose sum is σ = 3077244. Its totient is φ = 2735296.

The previous prime is 2906263. The next prime is 2906279. The reversal of 2906269 is 9626092.

2906269 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 can be written as a sum of positive squares in 2 ways, for example, as 974169 + 1932100 = 987^2 + 1390^2 .

It is a cyclic number.

It is not a de Polignac number, because 2906269 - 23 = 2906261 is a prime.

It is a super-2 number, since 2×29062692 = 16892799000722, which contains 22 as substring.

It is a Duffinian number.

2906269 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906261) 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, 85462 + ... + 85495.

It is an arithmetic number, because the mean of its divisors is an integer number (769311).

22906269 is an apocalyptic number.

It is an amenable number.

2906269 is a deficient number, since it is larger than the sum of its proper divisors (170975).

2906269 is a wasteful number, since it uses less digits than its factorization.

2906269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170974.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2906269 is about 1704.7782847045. The cubic root of 2906269 is about 142.7069978220.

The spelling of 2906269 in words is "two million, nine hundred six thousand, two hundred sixty-nine".

Divisors: 1 17 170957 2906269