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29083945 = 511528799
BaseRepresentation
bin110111011110…
…0100100101001
32000201121200011
41232330210221
524421141240
62515211521
7502131562
oct156744451
960647604
1029083945
1115465220
1298a6ba1
136044047
143c11169
1528476ea
hex1bbc929

29083945 has 8 divisors (see below), whose sum is σ = 38073600. Its totient is φ = 21151920.

The previous prime is 29083939. The next prime is 29083949. The reversal of 29083945 is 54938092.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29083945 - 25 = 29083913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29083898 and 29083907.

It is not an unprimeable number, because it can be changed into a prime (29083949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264345 + ... + 264454.

It is an arithmetic number, because the mean of its divisors is an integer number (4759200).

Almost surely, 229083945 is an apocalyptic number.

It is an amenable number.

29083945 is a deficient number, since it is larger than the sum of its proper divisors (8989655).

29083945 is a wasteful number, since it uses less digits than its factorization.

29083945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528815.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 29083945 is about 5392.9532725586. The cubic root of 29083945 is about 307.5278402537.

The spelling of 29083945 in words is "twenty-nine million, eighty-three thousand, nine hundred forty-five".

Divisors: 1 5 11 55 528799 2643995 5816789 29083945