Search a number
-
+
224042740 = 22552321419
BaseRepresentation
bin11010101101010…
…01111011110100
3120121120112212021
431112221323310
5424323331430
634122002524
75360221555
oct1526517364
9517515767
10224042740
11105514699
1263046444
133755488c
1421a8032c
1514a0807a
hexd5a9ef4

224042740 has 24 divisors (see below), whose sum is σ = 471411360. Its totient is φ = 89441568.

The previous prime is 224042729. The next prime is 224042759. The reversal of 224042740 is 47240422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250 + ... + 21169.

It is an arithmetic number, because the mean of its divisors is an integer number (19642140).

Almost surely, 2224042740 is an apocalyptic number.

224042740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224042740 is an abundant number, since it is smaller than the sum of its proper divisors (247368620).

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

224042740 is a wasteful number, since it uses less digits than its factorization.

224042740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21951 (or 21949 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 224042740 is about 14968.0573221778. The cubic root of 224042740 is about 607.3564180534.

The spelling of 224042740 in words is "two hundred twenty-four million, forty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 523 1046 2092 2615 5230 10460 21419 42838 85676 107095 214190 428380 11202137 22404274 44808548 56010685 112021370 224042740