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2228302933 = 5214276973
BaseRepresentation
bin1000010011010001…
…0011010001010101
312202021221111222021
42010310103101111
514030421143213
61005040133141
7106135156003
oct20464232125
95667844867
102228302933
11a43900a7a
125223071b1
1329686105c
14171d27a73
15d095cd8d
hex84d13455

2228302933 has 4 divisors (see below), whose sum is σ = 2232580428. Its totient is φ = 2224025440.

The previous prime is 2228302907. The next prime is 2228302939. The reversal of 2228302933 is 3392038222.

It is a happy number.

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 335878929 + 1892424004 = 18327^2 + 43502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2228302933 is a prime.

It is a super-2 number, since 2×22283029332 = 9930667922432804978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228302939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2137966 + ... + 2139007.

It is an arithmetic number, because the mean of its divisors is an integer number (558145107).

Almost surely, 22228302933 is an apocalyptic number.

It is an amenable number.

2228302933 is a deficient number, since it is larger than the sum of its proper divisors (4277495).

2228302933 is an equidigital number, since it uses as much as digits as its factorization.

2228302933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277494.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 2228302933 is about 47204.9036965441. The cubic root of 2228302933 is about 1306.1450552869.

The spelling of 2228302933 in words is "two billion, two hundred twenty-eight million, three hundred two thousand, nine hundred thirty-three".

Divisors: 1 521 4276973 2228302933