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4002277 = 6136529
BaseRepresentation
bin1111010001000111100101
321112100002111
433101013211
52011033102
6221441021
746006306
oct17210745
97470074
104002277
112293a74
121410171
13aa1916
147627ad
15540cd7
hex3d11e5

4002277 has 4 divisors (see below), whose sum is σ = 4009420. Its totient is φ = 3995136.

The previous prime is 4002269. The next prime is 4002281. The reversal of 4002277 is 7722004.

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 125316 + 3876961 = 354^2 + 1969^2 .

It is a 5-Lehmer number, since φ(4002277) divides (4002277-1)5.

It is a cyclic number.

It is not a de Polignac number, because 4002277 - 23 = 4002269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2652 + ... + 3877.

It is an arithmetic number, because the mean of its divisors is an integer number (1002355).

Almost surely, 24002277 is an apocalyptic number.

It is an amenable number.

4002277 is a deficient number, since it is larger than the sum of its proper divisors (7143).

4002277 is an equidigital number, since it uses as much as digits as its factorization.

4002277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7142.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 4002277 is about 2000.5691690117. The cubic root of 4002277 is about 158.7702204181.

The spelling of 4002277 in words is "four million, two thousand, two hundred seventy-seven".

Divisors: 1 613 6529 4002277