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885231381 = 3319518617
BaseRepresentation
bin110100110000111…
…000111100010101
32021200201102011110
4310300320330111
53303104401011
6223501325233
730636225336
oct6460707425
92250642143
10885231381
11414765491
12208566819
13111525468
14857d428d
1552ab0ba6
hex34c38f15

885231381 has 8 divisors (see below), whose sum is σ = 1218383104. Its totient is φ = 571116960.

The previous prime is 885231379. The next prime is 885231397. The reversal of 885231381 is 183132588.

885231381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 885231381 - 21 = 885231379 is a prime.

It is a super-2 number, since 2×8852313812 = 1567269195814334322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885231301) 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, 4759216 + ... + 4759401.

It is an arithmetic number, because the mean of its divisors is an integer number (152297888).

Almost surely, 2885231381 is an apocalyptic number.

It is an amenable number.

885231381 is a deficient number, since it is larger than the sum of its proper divisors (333151723).

885231381 is a wasteful number, since it uses less digits than its factorization.

885231381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9518651.

The product of its digits is 46080, while the sum is 39.

The square root of 885231381 is about 29752.8382007499. The cubic root of 885231381 is about 960.1791408315.

The spelling of 885231381 in words is "eight hundred eighty-five million, two hundred thirty-one thousand, three hundred eighty-one".

Divisors: 1 3 31 93 9518617 28555851 295077127 885231381