Search a number
-
+
423023224 = 23132312887
BaseRepresentation
bin11001001101101…
…101001001111000
31002110222210202211
4121031231021320
51331243220344
6105550504504
713324431601
oct3115551170
91073883684
10423023224
111a7870678
12b9805134
1369842b00
1440278da8
1527210334
hex1936d278

423023224 has 24 divisors (see below), whose sum is σ = 858877560. Its totient is φ = 195240864.

The previous prime is 423023219. The next prime is 423023231. The reversal of 423023224 is 422320324.

It is a junction number, because it is equal to n+sod(n) for n = 423023195 and 423023204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155092 + ... + 157795.

It is an arithmetic number, because the mean of its divisors is an integer number (35786565).

Almost surely, 2423023224 is an apocalyptic number.

It is an amenable number.

423023224 is an abundant number, since it is smaller than the sum of its proper divisors (435854336).

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

423023224 is a wasteful number, since it uses less digits than its factorization.

423023224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312919 (or 312902 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 423023224 is about 20567.5283882143. The cubic root of 423023224 is about 750.6798126572.

Adding to 423023224 its reverse (422320324), we get a palindrome (845343548).

The spelling of 423023224 in words is "four hundred twenty-three million, twenty-three thousand, two hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 312887 625774 1251548 2503096 4067531 8135062 16270124 32540248 52877903 105755806 211511612 423023224