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4244391 = 321924821
BaseRepresentation
bin10000001100001110100111
321222122012200
4100030032213
52041310031
6230545543
751035214
oct20141647
97878180
104244391
112439968
1215082b3
13b57b98
147c6b0b
1558c8e6
hex40c3a7

4244391 has 12 divisors (see below), whose sum is σ = 6453720. Its totient is φ = 2680560.

The previous prime is 4244389. The next prime is 4244417. The reversal of 4244391 is 1934424.

It is not a de Polignac number, because 4244391 - 21 = 4244389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12240 + ... + 12581.

It is an arithmetic number, because the mean of its divisors is an integer number (537810).

Almost surely, 24244391 is an apocalyptic number.

4244391 is a deficient number, since it is larger than the sum of its proper divisors (2209329).

4244391 is a wasteful number, since it uses less digits than its factorization.

4244391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24846 (or 24843 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4244391 is about 2060.1919813454. The cubic root of 4244391 is about 161.9092999373.

The spelling of 4244391 in words is "four million, two hundred forty-four thousand, three hundred ninety-one".

Divisors: 1 3 9 19 57 171 24821 74463 223389 471599 1414797 4244391