Search a number
-
+
224120823 = 3281265861
BaseRepresentation
bin11010101101111…
…00111111110111
3120121201111222020
431112330333313
5424333331243
634123404223
75360665323
oct1526747767
9517644866
10224120823
11105568323
1263083673
1337581294
1421aa0983
1514a21283
hexd5bcff7

224120823 has 8 divisors (see below), whose sum is σ = 299892336. Its totient is φ = 148881600.

The previous prime is 224120821. The next prime is 224120861. The reversal of 224120823 is 328021422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 224120823 - 21 = 224120821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224120793 and 224120802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224120821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132088 + ... + 133773.

It is an arithmetic number, because the mean of its divisors is an integer number (37486542).

Almost surely, 2224120823 is an apocalyptic number.

224120823 is a deficient number, since it is larger than the sum of its proper divisors (75771513).

224120823 is a wasteful number, since it uses less digits than its factorization.

224120823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266145.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 224120823 is about 14970.6654160729. The cubic root of 224120823 is about 607.4269681382.

The spelling of 224120823 in words is "two hundred twenty-four million, one hundred twenty thousand, eight hundred twenty-three".

Divisors: 1 3 281 843 265861 797583 74706941 224120823