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2272917 = 317411087
BaseRepresentation
bin1000101010111010010101
311021110212010
420222322111
51040213132
6120414433
725214403
oct10527225
94243763
102272917
111312749
12917419
1361772a
14432473
152ed6cc
hex22ae95

2272917 has 16 divisors (see below), whose sum is σ = 3290112. Its totient is φ = 1390080.

The previous prime is 2272903. The next prime is 2272931. The reversal of 2272917 is 7192722.

It is a happy number.

2272917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2272903) and next prime (2272931).

It is not a de Polignac number, because 2272917 - 214 = 2256533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272957) 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 15 ways as a sum of consecutive naturals, for example, 1548 + ... + 2634.

It is an arithmetic number, because the mean of its divisors is an integer number (205632).

22272917 is an apocalyptic number.

It is an amenable number.

2272917 is a deficient number, since it is larger than the sum of its proper divisors (1017195).

2272917 is a wasteful number, since it uses less digits than its factorization.

2272917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148.

The product of its digits is 3528, while the sum is 30.

The square root of 2272917 is about 1507.6196469932. The cubic root of 2272917 is about 131.4804531756.

The spelling of 2272917 in words is "two million, two hundred seventy-two thousand, nine hundred seventeen".

Divisors: 1 3 17 41 51 123 697 1087 2091 3261 18479 44567 55437 133701 757639 2272917