Search a number
-
+
224491120 = 24571723581
BaseRepresentation
bin11010110000101…
…11011001110000
3120122102022220221
431120113121300
5424432203440
634135342424
75364100030
oct1530273160
9518368827
10224491120
111057a0557
1263221a14
13376809a9
1421b598c0
1514a95d4a
hexd617670

224491120 has 80 divisors (see below), whose sum is σ = 631620288. Its totient is φ = 72437760.

The previous prime is 224491097. The next prime is 224491121. The reversal of 224491120 is 21194422.

224491120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224491121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2271 + ... + 21310.

Almost surely, 2224491120 is an apocalyptic number.

224491120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224491120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315810144).

224491120 is an abundant number, since it is smaller than the sum of its proper divisors (407129168).

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

224491120 is a wasteful number, since it uses less digits than its factorization.

224491120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23618 (or 23612 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 224491120 is about 14983.0277314033. The cubic root of 224491120 is about 607.7613184787.

The spelling of 224491120 in words is "two hundred twenty-four million, four hundred ninety-one thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 17 20 28 34 35 40 56 68 70 80 85 112 119 136 140 170 238 272 280 340 476 560 595 680 952 1190 1360 1904 2380 4760 9520 23581 47162 94324 117905 165067 188648 235810 330134 377296 400877 471620 660268 801754 825335 943240 1320536 1603508 1650670 1886480 2004385 2641072 2806139 3207016 3301340 4008770 5612278 6414032 6602680 8017540 11224556 13205360 14030695 16035080 22449112 28061390 32070160 44898224 56122780 112245560 224491120