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234121252 = 22392914897
BaseRepresentation
bin11011111010001…
…10100000100100
3121022112120222111
431331012200210
5434413340002
635122010404
75541666151
oct1575064044
9538476874
10234121252
11110178842
12664a6a04
13396730b1
1423145228
15158493d7
hexdf46824

234121252 has 12 divisors (see below), whose sum is σ = 409843980. Its totient is φ = 117022976.

The previous prime is 234121213. The next prime is 234121253. The reversal of 234121252 is 252121432.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 131423296 + 102697956 = 11464^2 + 10134^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (234121253) 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 3 ways as a sum of consecutive naturals, for example, 8268 + ... + 23164.

It is an arithmetic number, because the mean of its divisors is an integer number (34153665).

Almost surely, 2234121252 is an apocalyptic number.

It is an amenable number.

234121252 is a deficient number, since it is larger than the sum of its proper divisors (175722728).

234121252 is a wasteful number, since it uses less digits than its factorization.

234121252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18830 (or 18828 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 234121252 is about 15301.0212731046. The cubic root of 234121252 is about 616.3304328551.

Adding to 234121252 its reverse (252121432), we get a palindrome (486242684).

The spelling of 234121252 in words is "two hundred thirty-four million, one hundred twenty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 3929 7858 14897 15716 29794 59588 58530313 117060626 234121252