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3438421517 = 79113385171
BaseRepresentation
bin1100110011110010…
…0010011000001101
322212121222220121002
43030330202120031
524020213442032
61325105150045
7151131046346
oct31474423015
98777886532
103438421517
111504998a83
127bb62b325
1342a48905b
1424892d0cd
15151ce6862
hexccf2260d

3438421517 has 8 divisors (see below), whose sum is σ = 3512768640. Its totient is φ = 3364845120.

The previous prime is 3438421471. The next prime is 3438421523. The reversal of 3438421517 is 7151248343.

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 3438421517 - 214 = 3438405133 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 (3438421577) 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, 183659 + ... + 201512.

It is an arithmetic number, because the mean of its divisors is an integer number (439096080).

Almost surely, 23438421517 is an apocalyptic number.

It is an amenable number.

3438421517 is a deficient number, since it is larger than the sum of its proper divisors (74347123).

3438421517 is a wasteful number, since it uses less digits than its factorization.

3438421517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385363.

The product of its digits is 80640, while the sum is 38.

The square root of 3438421517 is about 58638.0551945577. The cubic root of 3438421517 is about 1509.3375333312.

The spelling of 3438421517 in words is "three billion, four hundred thirty-eight million, four hundred twenty-one thousand, five hundred seventeen".

Divisors: 1 79 113 8927 385171 30428509 43524323 3438421517