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29387133 = 325955343
BaseRepresentation
bin111000000011…
…0100101111101
32001022000120100
41300012211331
530010342013
62525511313
7504533526
oct160064575
961260510
1029387133
1115651a96
129a12539
13611c049
143c8d84d
1528a7473
hex1c0697d

29387133 has 12 divisors (see below), whose sum is σ = 43168320. Its totient is φ = 19259016.

The previous prime is 29387117. The next prime is 29387159. The reversal of 29387133 is 33178392.

It is a happy number.

It is not a de Polignac number, because 29387133 - 24 = 29387117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29387333) 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 11 ways as a sum of consecutive naturals, for example, 27141 + ... + 28202.

It is an arithmetic number, because the mean of its divisors is an integer number (3597360).

Almost surely, 229387133 is an apocalyptic number.

It is an amenable number.

29387133 is a deficient number, since it is larger than the sum of its proper divisors (13781187).

29387133 is a wasteful number, since it uses less digits than its factorization.

29387133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55408 (or 55405 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 29387133 is about 5420.9900387291. The cubic root of 29387133 is about 308.5927648202.

The spelling of 29387133 in words is "twenty-nine million, three hundred eighty-seven thousand, one hundred thirty-three".

Divisors: 1 3 9 59 177 531 55343 166029 498087 3265237 9795711 29387133