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4444247 = 13931973
BaseRepresentation
bin10000111101000001010111
322100210100202
4100331001113
52114203442
6235131115
752526663
oct20750127
98323322
104444247
112566035
1215a3a9b
13bc7b42
148398a3
155cbc32
hex43d057

4444247 has 4 divisors (see below), whose sum is σ = 4476360. Its totient is φ = 4412136.

The previous prime is 4444241. The next prime is 4444261. The reversal of 4444247 is 7424444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4444247 - 218 = 4182103 is a prime.

It is a super-3 number, since 3×44442473 (a number of 21 digits) contains 333 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 (4444241) 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 3 ways as a sum of consecutive naturals, for example, 15848 + ... + 16125.

It is an arithmetic number, because the mean of its divisors is an integer number (1119090).

Almost surely, 24444247 is an apocalyptic number.

4444247 is a deficient number, since it is larger than the sum of its proper divisors (32113).

4444247 is a wasteful number, since it uses less digits than its factorization.

4444247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32112.

The product of its digits is 14336, while the sum is 29.

The square root of 4444247 is about 2108.1382781971. The cubic root of 4444247 is about 164.4117035533.

The spelling of 4444247 in words is "four million, four hundred forty-four thousand, two hundred forty-seven".

Divisors: 1 139 31973 4444247