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8242911 = 33397769
BaseRepresentation
bin11111011100011011011111
3120111210011000
4133130123133
54102233121
6452401343
7130030545
oct37343337
916453130
108242911
114720026
122916253
131927b81
141147d95
15acc526
hex7dc6df

8242911 has 16 divisors (see below), whose sum is σ = 12258400. Its totient is φ = 5474304.

The previous prime is 8242889. The next prime is 8242919. The reversal of 8242911 is 1192428.

It is not a de Polignac number, because 8242911 - 26 = 8242847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8242919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10335 + ... + 11103.

It is an arithmetic number, because the mean of its divisors is an integer number (766150).

Almost surely, 28242911 is an apocalyptic number.

8242911 is a deficient number, since it is larger than the sum of its proper divisors (4015489).

8242911 is a wasteful number, since it uses less digits than its factorization.

8242911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1169 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 8242911 is about 2871.0470215585. The cubic root of 8242911 is about 202.0041089907.

The spelling of 8242911 in words is "eight million, two hundred forty-two thousand, nine hundred eleven".

Divisors: 1 3 9 27 397 769 1191 2307 3573 6921 10719 20763 305293 915879 2747637 8242911