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231056322 = 2375501341
BaseRepresentation
bin11011100010110…
…10001111000010
3121002202212200120
431301122033002
5433122300242
634532201110
75503642410
oct1561321702
9532685616
10231056322
11109475042
1265469196
1338b3c023
14229882b0
15154411ec
hexdc5a3c2

231056322 has 16 divisors (see below), whose sum is σ = 528128832. Its totient is φ = 66016080.

The previous prime is 231056317. The next prime is 231056323. The reversal of 231056322 is 223650132.

231056322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231056292 and 231056301.

It is not an unprimeable number, because it can be changed into a prime (231056323) 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, 2750629 + ... + 2750712.

It is an arithmetic number, because the mean of its divisors is an integer number (33008052).

Almost surely, 2231056322 is an apocalyptic number.

231056322 is an abundant number, since it is smaller than the sum of its proper divisors (297072510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231056322 is a wasteful number, since it uses less digits than its factorization.

231056322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501353.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 231056322 is about 15200.5368984125. The cubic root of 231056322 is about 613.6291071725.

It can be divided in two parts, 23105632 and 2, that multiplied together give a palindrome (46211264).

The spelling of 231056322 in words is "two hundred thirty-one million, fifty-six thousand, three hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 5501341 11002682 16504023 33008046 38509387 77018774 115528161 231056322