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38734129 = 75533447
BaseRepresentation
bin1001001111000…
…0100100110001
32200212220020101
42103300210301
534403443004
63502112401
7650143330
oct223604461
980786211
1038734129
111a956585
1210b7b701
138042605
145203d17
153601ba4
hex24f0931

38734129 has 4 divisors (see below), whose sum is σ = 44267584. Its totient is φ = 33200676.

The previous prime is 38734127. The next prime is 38734133. The reversal of 38734129 is 92143783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38734129 - 21 = 38734127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38734123) 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 3 ways as a sum of consecutive naturals, for example, 2766717 + ... + 2766730.

It is an arithmetic number, because the mean of its divisors is an integer number (11066896).

Almost surely, 238734129 is an apocalyptic number.

It is an amenable number.

38734129 is a deficient number, since it is larger than the sum of its proper divisors (5533455).

38734129 is an equidigital number, since it uses as much as digits as its factorization.

38734129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533454.

The product of its digits is 36288, while the sum is 37.

The square root of 38734129 is about 6223.6748790405. The cubic root of 38734129 is about 338.3487670139.

The spelling of 38734129 in words is "thirty-eight million, seven hundred thirty-four thousand, one hundred twenty-nine".

Divisors: 1 7 5533447 38734129