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29888387 = 1911313921
BaseRepresentation
bin111001000000…
…0111110000011
32002020111011022
41302000332003
530122412022
62544340055
7512022104
oct162007603
962214138
1029888387
1115964651
12a01462b
136266249
143d803ab
152955c42
hex1c80f83

29888387 has 8 divisors (see below), whose sum is σ = 31742160. Its totient is φ = 28062720.

The previous prime is 29888377. The next prime is 29888399. The reversal of 29888387 is 78388892.

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

It is a cyclic number.

It is not a de Polignac number, because 29888387 - 218 = 29626243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29888347) 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 7 ways as a sum of consecutive naturals, for example, 4814 + ... + 9107.

It is an arithmetic number, because the mean of its divisors is an integer number (3967770).

Almost surely, 229888387 is an apocalyptic number.

29888387 is a deficient number, since it is larger than the sum of its proper divisors (1853773).

29888387 is a wasteful number, since it uses less digits than its factorization.

29888387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14053.

The product of its digits is 1548288, while the sum is 53.

The square root of 29888387 is about 5467.0272543678. The cubic root of 29888387 is about 310.3374300128.

The spelling of 29888387 in words is "twenty-nine million, eight hundred eighty-eight thousand, three hundred eighty-seven".

Divisors: 1 19 113 2147 13921 264499 1573073 29888387