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38429093 = 174122073
BaseRepresentation
bin1001001010011…
…0000110100101
32200022101210202
42102212012211
534314212333
63451400245
7644433113
oct222460645
980271722
1038429093
111a76838a
1210a53085
137c66811
145164ab3
1535915e8
hex24a61a5

38429093 has 4 divisors (see below), whose sum is σ = 38452908. Its totient is φ = 38405280.

The previous prime is 38429029. The next prime is 38429099. The reversal of 38429093 is 39092483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39092483 = 197198439.

It can be written as a sum of positive squares in 2 ways, for example, as 16507969 + 21921124 = 4063^2 + 4682^2 .

It is a cyclic number.

It is not a de Polignac number, because 38429093 - 26 = 38429029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38429099) 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, 9296 + ... + 12777.

It is an arithmetic number, because the mean of its divisors is an integer number (9613227).

Almost surely, 238429093 is an apocalyptic number.

It is an amenable number.

38429093 is a deficient number, since it is larger than the sum of its proper divisors (23815).

38429093 is a wasteful number, since it uses less digits than its factorization.

38429093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23814.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 38429093 is about 6199.1203408226. The cubic root of 38429093 is about 337.4582459548.

The spelling of 38429093 in words is "thirty-eight million, four hundred twenty-nine thousand, ninety-three".

Divisors: 1 1741 22073 38429093