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223164420 = 223510934123
BaseRepresentation
bin11010100110100…
…11100000000100
3120112220221000220
431103103200010
5424112230140
634051104340
75346603063
oct1523234004
9515827026
10223164420
11104a74806
12628a20b0
1337307b6b
14218d21da
15148d2bd0
hexd4d3804

223164420 has 48 divisors (see below), whose sum is σ = 630611520. Its totient is φ = 58962816.

The previous prime is 223164407. The next prime is 223164421. The reversal of 223164420 is 24461322.

It is a super-3 number, since 3×2231644203 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223164421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10522 + ... + 23601.

It is an arithmetic number, because the mean of its divisors is an integer number (13137740).

Almost surely, 2223164420 is an apocalyptic number.

223164420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223164420 is an abundant number, since it is smaller than the sum of its proper divisors (407447100).

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

223164420 is a wasteful number, since it uses less digits than its factorization.

223164420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34244 (or 34242 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 223164420 is about 14938.6886974727. The cubic root of 223164420 is about 606.5617007680.

The spelling of 223164420 in words is "two hundred twenty-three million, one hundred sixty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 436 545 654 1090 1308 1635 2180 3270 6540 34123 68246 102369 136492 170615 204738 341230 409476 511845 682460 1023690 2047380 3719407 7438814 11158221 14877628 18597035 22316442 37194070 44632884 55791105 74388140 111582210 223164420