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29804389 = 232103547
BaseRepresentation
bin111000110110…
…0011101100101
32002002012221021
41301230131211
530112220024
62542451141
7511222156
oct161543545
962065837
1029804389
111590752a
129b93ab1
136236c44
143d5b92d
15293ade4
hex1c6c765

29804389 has 12 divisors (see below), whose sum is σ = 31516576. Its totient is φ = 28180152.

The previous prime is 29804377. The next prime is 29804413. The reversal of 29804389 is 98340892.

It is a happy number.

It is not a de Polignac number, because 29804389 - 29 = 29803877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29804329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54214 + ... + 54760.

Almost surely, 229804389 is an apocalyptic number.

It is an amenable number.

29804389 is a deficient number, since it is larger than the sum of its proper divisors (1712187).

29804389 is a wasteful number, since it uses less digits than its factorization.

29804389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 29804389 is about 5459.3396120776. The cubic root of 29804389 is about 310.0464342514.

The spelling of 29804389 in words is "twenty-nine million, eight hundred four thousand, three hundred eighty-nine".

Divisors: 1 23 103 529 547 2369 12581 54487 56341 289363 1295843 29804389