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4443985 = 57139767
BaseRepresentation
bin10000111100111101010001
322100210000001
4100330331101
52114201420
6235130001
752526140
oct20747521
98323001
104443985
112565917
1215a3901
13bc79a0
14839757
155cbb0a
hex43cf51

4443985 has 16 divisors (see below), whose sum is σ = 6564096. Its totient is φ = 2812608.

The previous prime is 4443983. The next prime is 4444001. The reversal of 4443985 is 5893444.

It is a cyclic number.

It is not a de Polignac number, because 4443985 - 21 = 4443983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4443983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4429 + ... + 5338.

It is an arithmetic number, because the mean of its divisors is an integer number (410256).

Almost surely, 24443985 is an apocalyptic number.

It is an amenable number.

4443985 is a deficient number, since it is larger than the sum of its proper divisors (2120111).

4443985 is a wasteful number, since it uses less digits than its factorization.

4443985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9792.

The product of its digits is 69120, while the sum is 37.

The square root of 4443985 is about 2108.0761371450. The cubic root of 4443985 is about 164.4084726563.

The spelling of 4443985 in words is "four million, four hundred forty-three thousand, nine hundred eighty-five".

Divisors: 1 5 7 13 35 65 91 455 9767 48835 68369 126971 341845 634855 888797 4443985