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29433139 = 471274931
BaseRepresentation
bin111000001000…
…1110100110011
32001101100200021
41300101310303
530013330024
62530504311
7505114621
oct160216463
961340607
1029433139
111568360a
129a35097
136136c78
143ca2511
1528b5de4
hex1c11d33

29433139 has 8 divisors (see below), whose sum is σ = 30302208. Its totient is φ = 28574280.

The previous prime is 29433127. The next prime is 29433181. The reversal of 29433139 is 93133492.

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 29433139 - 211 = 29431091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29433739) 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, 3504 + ... + 8434.

It is an arithmetic number, because the mean of its divisors is an integer number (3787776).

Almost surely, 229433139 is an apocalyptic number.

29433139 is a deficient number, since it is larger than the sum of its proper divisors (869069).

29433139 is a wasteful number, since it uses less digits than its factorization.

29433139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105.

The product of its digits is 17496, while the sum is 34.

The square root of 29433139 is about 5425.2317001212. The cubic root of 29433139 is about 308.7537164015.

It can be divided in two parts, 294 and 33139, that added together give a palindrome (33433).

The spelling of 29433139 in words is "twenty-nine million, four hundred thirty-three thousand, one hundred thirty-nine".

Divisors: 1 47 127 4931 5969 231757 626237 29433139