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223240304 = 2471993217
BaseRepresentation
bin11010100111001…
…10000001110000
3120120001210010102
431103212001300
5424122142204
634052451532
75350340240
oct1523460160
9516053112
10223240304
11105016821
1262919ba8
1337333571
1421911b20
15148ea41e
hexd4e6070

223240304 has 20 divisors (see below), whose sum is σ = 494318064. Its totient is φ = 95674368.

The previous prime is 223240301. The next prime is 223240307. The reversal of 223240304 is 403042322.

It is an interprime number because it is at equal distance from previous prime (223240301) and next prime (223240307).

It is a super-3 number, since 3×2232403043 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223240301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996497 + ... + 996720.

Almost surely, 2223240304 is an apocalyptic number.

It is an amenable number.

223240304 is an abundant number, since it is smaller than the sum of its proper divisors (271077760).

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

223240304 is a wasteful number, since it uses less digits than its factorization.

223240304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993232 (or 1993226 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 223240304 is about 14941.2283296923. The cubic root of 223240304 is about 606.6304439723.

Adding to 223240304 its reverse (403042322), we get a palindrome (626282626).

The spelling of 223240304 in words is "two hundred twenty-three million, two hundred forty thousand, three hundred four".

Divisors: 1 2 4 7 8 14 16 28 56 112 1993217 3986434 7972868 13952519 15945736 27905038 31891472 55810076 111620152 223240304