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3438238193 = 13264479861
BaseRepresentation
bin1100110011101111…
…0101100111110001
322212121122121010022
43030323311213301
524020142110233
61325101213225
7151126354025
oct31473654761
98777577108
103438238193
111504883275
127bb561215
1342a423790
142488c2385
15151cac398
hexccef59f1

3438238193 has 4 divisors (see below), whose sum is σ = 3702718068. Its totient is φ = 3173758320.

The previous prime is 3438238189. The next prime is 3438238201. The reversal of 3438238193 is 3918328343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 385454689 + 3052783504 = 19633^2 + 55252^2 .

It is a cyclic number.

It is not a de Polignac number, because 3438238193 - 22 = 3438238189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3438258193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132239918 + ... + 132239943.

It is an arithmetic number, because the mean of its divisors is an integer number (925679517).

Almost surely, 23438238193 is an apocalyptic number.

It is an amenable number.

3438238193 is a deficient number, since it is larger than the sum of its proper divisors (264479875).

3438238193 is a wasteful number, since it uses less digits than its factorization.

3438238193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264479874.

The product of its digits is 373248, while the sum is 44.

The square root of 3438238193 is about 58636.4919909096. The cubic root of 3438238193 is about 1509.3107087442.

The spelling of 3438238193 in words is "three billion, four hundred thirty-eight million, two hundred thirty-eight thousand, one hundred ninety-three".

Divisors: 1 13 264479861 3438238193