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231032242 = 2716502303
BaseRepresentation
bin11011100010101…
…00010110110010
3121002201122122201
431301110112302
5433121012432
634531453414
75503512250
oct1561242662
9532648581
10231032242
11109458a41
126545726a
1338b3108c
142297d5d0
1515438ee7
hexdc545b2

231032242 has 8 divisors (see below), whose sum is σ = 396055296. Its totient is φ = 99013812.

The previous prime is 231032233. The next prime is 231032273. The reversal of 231032242 is 242230132.

231032242 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8251138 + ... + 8251165.

It is an arithmetic number, because the mean of its divisors is an integer number (49506912).

Almost surely, 2231032242 is an apocalyptic number.

231032242 is a deficient number, since it is larger than the sum of its proper divisors (165023054).

231032242 is a wasteful number, since it uses less digits than its factorization.

231032242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16502312.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 231032242 is about 15199.7448004893. The cubic root of 231032242 is about 613.6077895674.

Adding to 231032242 its reverse (242230132), we get a palindrome (473262374).

The spelling of 231032242 in words is "two hundred thirty-one million, thirty-two thousand, two hundred forty-two".

Divisors: 1 2 7 14 16502303 33004606 115516121 231032242