Search a number
-
+
223467140 = 225134718287
BaseRepresentation
bin11010101000111…
…01011010000100
3120120111022021202
431110131122010
5424201422030
634101402032
75352303461
oct1524353204
9516438252
10223467140
11105161196
1262a09318
13373b28a0
1421970668
1514942745
hexd51d684

223467140 has 48 divisors (see below), whose sum is σ = 516160512. Its totient is φ = 80750976.

The previous prime is 223467121. The next prime is 223467191. The reversal of 223467140 is 41764322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3077 + ... + 21363.

It is an arithmetic number, because the mean of its divisors is an integer number (10753344).

Almost surely, 2223467140 is an apocalyptic number.

223467140 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 223467140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258080256).

223467140 is an abundant number, since it is smaller than the sum of its proper divisors (292693372).

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

223467140 is a wasteful number, since it uses less digits than its factorization.

223467140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18356 (or 18354 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 223467140 is about 14948.8173445260. The cubic root of 223467140 is about 606.8358415340.

The spelling of 223467140 in words is "two hundred twenty-three million, four hundred sixty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 47 52 65 94 130 188 235 260 470 611 940 1222 2444 3055 6110 12220 18287 36574 73148 91435 182870 237731 365740 475462 859489 950924 1188655 1718978 2377310 3437956 4297445 4754620 8594890 11173357 17189780 22346714 44693428 55866785 111733570 223467140