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234249121 = 720732503
BaseRepresentation
bin11011111011001…
…01101110100001
3121022210002101101
431331211232201
5434431432441
635124434401
75543041021
oct1575455641
9538702341
10234249121
11110255917
1266548a01
13396b9362
1423179a81
1515872231
hexdf65ba1

234249121 has 4 divisors (see below), whose sum is σ = 234288832. Its totient is φ = 234209412.

The previous prime is 234249107. The next prime is 234249131. The reversal of 234249121 is 121942432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234249121 - 211 = 234247073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234249121.

It is not an unprimeable number, because it can be changed into a prime (234249101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9045 + ... + 23458.

It is an arithmetic number, because the mean of its divisors is an integer number (58572208).

Almost surely, 2234249121 is an apocalyptic number.

It is an amenable number.

234249121 is a deficient number, since it is larger than the sum of its proper divisors (39711).

234249121 is an equidigital number, since it uses as much as digits as its factorization.

234249121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39710.

The product of its digits is 3456, while the sum is 28.

The square root of 234249121 is about 15305.1991493087. The cubic root of 234249121 is about 616.4426186166.

The spelling of 234249121 in words is "two hundred thirty-four million, two hundred forty-nine thousand, one hundred twenty-one".

Divisors: 1 7207 32503 234249121