Search a number
-
+
223223430 = 23517437693
BaseRepresentation
bin11010100111000…
…01111010000110
3120120000220222110
431103201322012
5424121122210
634052241450
75350240113
oct1523417206
9516026873
10223223430
11105005081
1262910286
1337328991
142190990a
15148e5420
hexd4e1e86

223223430 has 32 divisors (see below), whose sum is σ = 567251424. Its totient is φ = 56024576.

The previous prime is 223223417. The next prime is 223223443. The reversal of 223223430 is 34322322.

223223430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223223417) and next prime (223223443).

It is a super-3 number, since 3×2232234303 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223223397 and 223223406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218337 + ... + 219356.

It is an arithmetic number, because the mean of its divisors is an integer number (17726607).

Almost surely, 2223223430 is an apocalyptic number.

223223430 is an abundant number, since it is smaller than the sum of its proper divisors (344027994).

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

223223430 is a wasteful number, since it uses less digits than its factorization.

223223430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437720.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 223223430 is about 14940.6636398789. The cubic root of 223223430 is about 606.6151591875.

Adding to 223223430 its reverse (34322322), we get a palindrome (257545752).

It can be divided in two parts, 22322 and 3430, that added together give a palindrome (25752).

The spelling of 223223430 in words is "two hundred twenty-three million, two hundred twenty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 437693 875386 1313079 2188465 2626158 4376930 6565395 7440781 13130790 14881562 22322343 37203905 44644686 74407810 111611715 223223430