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4429431 = 33295657
BaseRepresentation
bin10000111001011001110111
322100001001000
4100321121313
52113220211
6234534343
752435536
oct20713167
98301030
104429431
112555996
1215973b3
13bc1186
1483431d
155c7656
hex439677

4429431 has 16 divisors (see below), whose sum is σ = 6789600. Its totient is φ = 2850624.

The previous prime is 4429429. The next prime is 4429457. The reversal of 4429431 is 1349244.

It is not a de Polignac number, because 4429431 - 21 = 4429429 is a prime.

It is a super-2 number, since 2×44294312 = 39239717967522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4429395 and 4429404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4429471) 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 15 ways as a sum of consecutive naturals, for example, 2046 + ... + 3611.

It is an arithmetic number, because the mean of its divisors is an integer number (424350).

Almost surely, 24429431 is an apocalyptic number.

4429431 is a deficient number, since it is larger than the sum of its proper divisors (2360169).

4429431 is a wasteful number, since it uses less digits than its factorization.

4429431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695 (or 5689 counting only the distinct ones).

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

The square root of 4429431 is about 2104.6213436150. The cubic root of 4429431 is about 164.2287977469.

The spelling of 4429431 in words is "four million, four hundred twenty-nine thousand, four hundred thirty-one".

Divisors: 1 3 9 27 29 87 261 783 5657 16971 50913 152739 164053 492159 1476477 4429431