Search a number
-
+
232440020 = 22511622001
BaseRepresentation
bin11011101101011…
…00000011010100
3121012101011202122
431312230003110
5434001040040
635021555112
75521464461
oct1566540324
9535334678
10232440020
1110a22a69a
1265a15a98
1339204a97
1422c28668
15156161b5
hexddac0d4

232440020 has 12 divisors (see below), whose sum is σ = 488124084. Its totient is φ = 92976000.

The previous prime is 232440011. The next prime is 232440049. The reversal of 232440020 is 20044232.

232440020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 171662404 + 60777616 = 13102^2 + 7796^2 .

It is a congruent number.

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, 5810981 + ... + 5811020.

It is an arithmetic number, because the mean of its divisors is an integer number (40677007).

Almost surely, 2232440020 is an apocalyptic number.

232440020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232440020 is an abundant number, since it is smaller than the sum of its proper divisors (255684064).

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

232440020 is a wasteful number, since it uses less digits than its factorization.

232440020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11622010 (or 11622008 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 232440020 is about 15245.9837334296. The cubic root of 232440020 is about 614.8515913075.

Adding to 232440020 its reverse (20044232), we get a palindrome (252484252).

The spelling of 232440020 in words is "two hundred thirty-two million, four hundred forty thousand, twenty".

Divisors: 1 2 4 5 10 20 11622001 23244002 46488004 58110005 116220010 232440020