Search a number
-
+
234420012 = 223237175991
BaseRepresentation
bin11011111100011…
…11011100101100
3121100002202210200
431332033130230
5440002420022
635132233500
75544352161
oct1576173454
9540082720
10234420012
11110362252
126660b890
1339749088
14231c2068
15158a7bac
hexdf8f72c

234420012 has 36 divisors (see below), whose sum is σ = 608580336. Its totient is φ = 76027680.

The previous prime is 234419993. The next prime is 234420013. The reversal of 234420012 is 210024432.

234420012 is a `hidden beast` number, since 234 + 420 + 0 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (234420013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86664 + ... + 89327.

Almost surely, 2234420012 is an apocalyptic number.

It is an amenable number.

234420012 is an abundant number, since it is smaller than the sum of its proper divisors (374160324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234420012 is a wasteful number, since it uses less digits than its factorization.

234420012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176038 (or 176033 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 234420012 is about 15310.7809075827. The cubic root of 234420012 is about 616.5924859718.

Adding to 234420012 its reverse (210024432), we get a palindrome (444444444).

The spelling of 234420012 in words is "two hundred thirty-four million, four hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 666 1332 175991 351982 527973 703964 1055946 1583919 2111892 3167838 6335676 6511667 13023334 19535001 26046668 39070002 58605003 78140004 117210006 234420012