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4422987 = 323183191
BaseRepresentation
bin10000110111110101001011
322022201012100
4100313311023
52113013422
6234444443
752411002
oct20676513
98281170
104422987
112551068
121593723
13bbb26a
14831c39
155c57ac
hex437d4b

4422987 has 24 divisors (see below), whose sum is σ = 6709248. Its totient is φ = 2804400.

The previous prime is 4422967. The next prime is 4422989. The reversal of 4422987 is 7892244.

It is not a de Polignac number, because 4422987 - 215 = 4390219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4422989) 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 23 ways as a sum of consecutive naturals, for example, 23062 + ... + 23252.

It is an arithmetic number, because the mean of its divisors is an integer number (279552).

Almost surely, 24422987 is an apocalyptic number.

4422987 is a deficient number, since it is larger than the sum of its proper divisors (2286261).

4422987 is a wasteful number, since it uses less digits than its factorization.

4422987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 308 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4422987 is about 2103.0898696917. The cubic root of 4422987 is about 164.1491182883.

The spelling of 4422987 in words is "four million, four hundred twenty-two thousand, nine hundred eighty-seven".

Divisors: 1 3 9 31 83 93 191 249 279 573 747 1719 2573 5921 7719 15853 17763 23157 47559 53289 142677 491443 1474329 4422987