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29444427 = 3217318911
BaseRepresentation
bin111000001010…
…0100101001011
32001101221011100
41300110211023
530014210202
62531032443
7505162545
oct160244513
961357140
1029444427
1115691041
129a3b723
13613c14c
143ca6695
1528b941c
hex1c1494b

29444427 has 12 divisors (see below), whose sum is σ = 42778944. Its totient is φ = 19515120.

The previous prime is 29444411. The next prime is 29444453. The reversal of 29444427 is 72444492.

It is not a de Polignac number, because 29444427 - 24 = 29444411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29444391 and 29444400.

It is not an unprimeable number, because it can be changed into a prime (29444407) 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 11 ways as a sum of consecutive naturals, for example, 7899 + ... + 11012.

It is an arithmetic number, because the mean of its divisors is an integer number (3564912).

Almost surely, 229444427 is an apocalyptic number.

29444427 is a deficient number, since it is larger than the sum of its proper divisors (13334517).

29444427 is a wasteful number, since it uses less digits than its factorization.

29444427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19090 (or 19087 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 29444427 is about 5426.2719246274. The cubic root of 29444427 is about 308.7931817414.

The spelling of 29444427 in words is "twenty-nine million, four hundred forty-four thousand, four hundred twenty-seven".

Divisors: 1 3 9 173 519 1557 18911 56733 170199 3271603 9814809 29444427