Search a number
231056410 = 25136129137
BaseRepresentation
bin11011100010110…
…10010000011010
3121002202212210211
431301122100122
5433122301120
634532201334
75503642564
oct1561322032
9532685724
10231056410
11109475112
126546924a
1338b3c090
1422988334
151544125a
hexdc5a41a

231056410 has 32 divisors (see below), whose sum is σ = 455252112. Its totient is φ = 83911680.

The previous prime is 231056407. The next prime is 231056417. The reversal of 231056410 is 14650132.

It can be written as a sum of positive squares in 8 ways, for example, as 47155689 + 183900721 = 6867^2 + 13561^2 .

It is not an unprimeable number, because it can be changed into a prime (231056417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6639 + ... + 22498.

Almost surely, 2231056410 is an apocalyptic number.

231056410 is a deficient number, since it is larger than the sum of its proper divisors (224195702).

231056410 is a wasteful number, since it uses less digits than its factorization.

231056410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29218.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 231056410 is about 15200.5397930468. The cubic root of 231056410 is about 613.6291850746.

The spelling of 231056410 in words is "two hundred thirty-one million, fifty-six thousand, four hundred ten".