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2290311 = 32318209
BaseRepresentation
bin1000101111001010000111
311022100201100
420233022013
51041242221
6121031143
725316202
oct10571207
94270640
102290311
111324821
129254b3
1362261a
14438939
15303926
hex22f287

2290311 has 12 divisors (see below), whose sum is σ = 3415360. Its totient is φ = 1477440.

The previous prime is 2290283. The next prime is 2290339. The reversal of 2290311 is 1130922.

It is a happy number.

2290311 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 (2290283) and next prime (2290339).

It is not a de Polignac number, because 2290311 - 211 = 2288263 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290511) 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 11 ways as a sum of consecutive naturals, for example, 3826 + ... + 4383.

22290311 is an apocalyptic number.

2290311 is a deficient number, since it is larger than the sum of its proper divisors (1125049).

2290311 is a wasteful number, since it uses less digits than its factorization.

2290311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8246 (or 8243 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2290311 is about 1513.3773488460. The cubic root of 2290311 is about 131.8149956496.

It can be divided in two parts, 2290 and 311, that added together give a square (2601 = 512).

The spelling of 2290311 in words is "two million, two hundred ninety thousand, three hundred eleven".

Divisors: 1 3 9 31 93 279 8209 24627 73881 254479 763437 2290311