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4244031 = 3211163263
BaseRepresentation
bin10000001100001000111111
321222121201100
4100030020333
52041302111
6230544143
751034161
oct20141077
97877640
104244031
112439670
121508053
13b5797c
147c6931
1558c756
hex40c23f

4244031 has 24 divisors (see below), whose sum is σ = 6754176. Its totient is φ = 2546640.

The previous prime is 4244027. The next prime is 4244059. The reversal of 4244031 is 1304424.

It is not a de Polignac number, because 4244031 - 22 = 4244027 is a prime.

It is a super-2 number, since 2×42440312 = 36023598257922, which contains 22 as substring.

4244031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4243995 and 4244013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16006 + ... + 16268.

It is an arithmetic number, because the mean of its divisors is an integer number (281424).

Almost surely, 24244031 is an apocalyptic number.

4244031 is a deficient number, since it is larger than the sum of its proper divisors (2510145).

4244031 is a wasteful number, since it uses less digits than its factorization.

4244031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4244031 is about 2060.1046089944. The cubic root of 4244031 is about 161.9047222099.

Adding to 4244031 its reverse (1304424), we get a palindrome (5548455).

The spelling of 4244031 in words is "four million, two hundred forty-four thousand, thirty-one".

Divisors: 1 3 9 11 33 99 163 263 489 789 1467 1793 2367 2893 5379 8679 16137 26037 42869 128607 385821 471559 1414677 4244031