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4038398385 = 35738460937
BaseRepresentation
bin1111000010110101…
…0001000110110001
3101102102221220010120
43300231101012301
531232312222020
61504420520453
7202034551140
oct36055210661
911372856116
104038398385
11179263052a
12948550129
134c4877258
142a44ab757
1518980c740
hexf0b511b1

4038398385 has 16 divisors (see below), whose sum is σ = 7384500096. Its totient is φ = 1846124928.

The previous prime is 4038398383. The next prime is 4038398389. The reversal of 4038398385 is 5838938304.

4038398385 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4038398385 - 21 = 4038398383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4038398383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19230364 + ... + 19230573.

It is an arithmetic number, because the mean of its divisors is an integer number (461531256).

Almost surely, 24038398385 is an apocalyptic number.

It is an amenable number.

4038398385 is a deficient number, since it is larger than the sum of its proper divisors (3346101711).

4038398385 is a wasteful number, since it uses less digits than its factorization.

4038398385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38460952.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The square root of 4038398385 is about 63548.3940395035. The cubic root of 4038398385 is about 1592.4643542087.

The spelling of 4038398385 in words is "four billion, thirty-eight million, three hundred ninety-eight thousand, three hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 105 38460937 115382811 192304685 269226559 576914055 807679677 1346132795 4038398385