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29142385 = 58876571
BaseRepresentation
bin110111100101…
…0110101110001
32000211120211121
41233022311301
524430024020
62520342241
7502464136
oct157126561
960746747
1029142385
11154a5118
129914981
13606481c
143c2858d
152859baa
hex1bcad71

29142385 has 8 divisors (see below), whose sum is σ = 35015616. Its totient is φ = 23284080.

The previous prime is 29142383. The next prime is 29142457. The reversal of 29142385 is 58324192.

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

It is not a de Polignac number, because 29142385 - 21 = 29142383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29142385.

It is not an unprimeable number, because it can be changed into a prime (29142383) 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, 1150 + ... + 7720.

It is an arithmetic number, because the mean of its divisors is an integer number (4376952).

Almost surely, 229142385 is an apocalyptic number.

It is an amenable number.

29142385 is a deficient number, since it is larger than the sum of its proper divisors (5873231).

29142385 is an equidigital number, since it uses as much as digits as its factorization.

29142385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7463.

The product of its digits is 17280, while the sum is 34.

The square root of 29142385 is about 5398.3687350903. The cubic root of 29142385 is about 307.7336800858.

The spelling of 29142385 in words is "twenty-nine million, one hundred forty-two thousand, three hundred eighty-five".

Divisors: 1 5 887 4435 6571 32855 5828477 29142385