Search a number
-
+
224897129 = 1926174523
BaseRepresentation
bin11010110011110…
…10100001101001
3120200011221212022
431121322201221
5430033202004
634152154225
75400410522
oct1531724151
9520157768
10224897129
11105a485a6
1263398975
1337793732
1421c23849
1514b262be
hexd67a869

224897129 has 8 divisors (see below), whose sum is σ = 236876640. Its totient is φ = 212931936.

The previous prime is 224897107. The next prime is 224897147. The reversal of 224897129 is 921798422.

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

It is not a de Polignac number, because 224897129 - 220 = 223848553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224897129.

It is not an unprimeable number, because it can be changed into a prime (224827129) 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, 47462 + ... + 51984.

It is an arithmetic number, because the mean of its divisors is an integer number (29609580).

Almost surely, 2224897129 is an apocalyptic number.

It is an amenable number.

224897129 is a deficient number, since it is larger than the sum of its proper divisors (11979511).

224897129 is a wasteful number, since it uses less digits than its factorization.

224897129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159.

The product of its digits is 145152, while the sum is 44.

The square root of 224897129 is about 14996.5705746347. The cubic root of 224897129 is about 608.1274917676.

The spelling of 224897129 in words is "two hundred twenty-four million, eight hundred ninety-seven thousand, one hundred twenty-nine".

Divisors: 1 19 2617 4523 49723 85937 11836691 224897129