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223411340 = 22516676701
BaseRepresentation
bin11010101000011…
…11110010001100
3120120101110202002
431110033302030
5424143130330
634100251432
75351652005
oct1524176214
9516343662
10223411340
11105123279
12629a0b78
1337393379
14219581ac
1514930e45
hexd50fc8c

223411340 has 24 divisors (see below), whose sum is σ = 469515312. Its totient is φ = 89297600.

The previous prime is 223411339. The next prime is 223411343. The reversal of 223411340 is 43114322.

223411340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (223411343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29990 + ... + 36690.

It is an arithmetic number, because the mean of its divisors is an integer number (19563138).

Almost surely, 2223411340 is an apocalyptic number.

223411340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223411340 is an abundant number, since it is smaller than the sum of its proper divisors (246103972).

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

223411340 is a wasteful number, since it uses less digits than its factorization.

223411340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8377 (or 8375 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 223411340 is about 14946.9508596235. The cubic root of 223411340 is about 606.7853281285.

Adding to 223411340 its reverse (43114322), we get a palindrome (266525662).

The spelling of 223411340 in words is "two hundred twenty-three million, four hundred eleven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1667 3334 6668 6701 8335 13402 16670 26804 33340 33505 67010 134020 11170567 22341134 44682268 55852835 111705670 223411340