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29443311 = 331090493
BaseRepresentation
bin111000001010…
…0010011101111
32001101212122000
41300110103233
530014141221
62531023343
7505156362
oct160242357
961355560
1029443311
1115690217
129a3ab53
13613b7a1
143ca60d9
1528b8e26
hex1c144ef

29443311 has 8 divisors (see below), whose sum is σ = 43619760. Its totient is φ = 19628856.

The previous prime is 29443307. The next prime is 29443313. The reversal of 29443311 is 11334492.

It is not a de Polignac number, because 29443311 - 22 = 29443307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1090493 = 29443311 / (2 + 9 + 4 + 4 + 3 + 3 + 1 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29443313) 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 7 ways as a sum of consecutive naturals, for example, 545220 + ... + 545273.

It is an arithmetic number, because the mean of its divisors is an integer number (5452470).

Almost surely, 229443311 is an apocalyptic number.

29443311 is a deficient number, since it is larger than the sum of its proper divisors (14176449).

29443311 is a wasteful number, since it uses less digits than its factorization.

29443311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090502 (or 1090496 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 29443311 is about 5426.1690906200. The cubic root of 29443311 is about 308.7892804084.

The spelling of 29443311 in words is "twenty-nine million, four hundred forty-three thousand, three hundred eleven".

Divisors: 1 3 9 27 1090493 3271479 9814437 29443311