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231011204 = 22471228783
BaseRepresentation
bin11011100010011…
…11001110000100
3121002200120210112
431301033032010
5433114324304
634531212152
75503364024
oct1561171604
9532616715
10231011204
11109444156
1265447058
1338b24628
1422975a84
1515432b6e
hexdc4f384

231011204 has 12 divisors (see below), whose sum is σ = 412871424. Its totient is φ = 113047944.

The previous prime is 231011203. The next prime is 231011219. The reversal of 231011204 is 402110132.

231011204 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231011203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614204 + ... + 614579.

It is an arithmetic number, because the mean of its divisors is an integer number (34405952).

Almost surely, 2231011204 is an apocalyptic number.

It is an amenable number.

231011204 is a deficient number, since it is larger than the sum of its proper divisors (181860220).

231011204 is a wasteful number, since it uses less digits than its factorization.

231011204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228834 (or 1228832 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 231011204 is about 15199.0527336410. The cubic root of 231011204 is about 613.5891637796.

Adding to 231011204 its reverse (402110132), we get a palindrome (633121336).

The spelling of 231011204 in words is "two hundred thirty-one million, eleven thousand, two hundred four".

Divisors: 1 2 4 47 94 188 1228783 2457566 4915132 57752801 115505602 231011204