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385335813 = 3235584577
BaseRepresentation
bin10110111101111…
…100001000000101
3222212002002100210
4112331330020011
51242121221223
6102123030033
712356205012
oct2675741005
9885062323
10385335813
1118856a555
12a906b319
1361aa8a75
1439268709
1523c68893
hex16f7c205

385335813 has 8 divisors (see below), whose sum is σ = 536119488. Its totient is φ = 245721344.

The previous prime is 385335809. The next prime is 385335823. The reversal of 385335813 is 318533583.

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 385335813 - 22 = 385335809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385335803) 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, 2792220 + ... + 2792357.

It is an arithmetic number, because the mean of its divisors is an integer number (67014936).

Almost surely, 2385335813 is an apocalyptic number.

It is an amenable number.

385335813 is a deficient number, since it is larger than the sum of its proper divisors (150783675).

385335813 is a wasteful number, since it uses less digits than its factorization.

385335813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584603.

The product of its digits is 129600, while the sum is 39.

The square root of 385335813 is about 19629.9723127670. The cubic root of 385335813 is about 727.6900857784.

The spelling of 385335813 in words is "three hundred eighty-five million, three hundred thirty-five thousand, eight hundred thirteen".

Divisors: 1 3 23 69 5584577 16753731 128445271 385335813