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223230216 = 233117571117
BaseRepresentation
bin11010100111000…
…11100100001000
3120120001021021210
431103203210020
5424121331331
634052333120
75350265646
oct1523434410
9516037253
10223230216
1110500a190
12629141a0
133732bab1
142190c196
15148e7446
hexd4e3908

223230216 has 64 divisors (see below), whose sum is σ = 610159680. Its totient is φ = 67495680.

The previous prime is 223230209. The next prime is 223230229. The reversal of 223230216 is 612032322.

It is a super-3 number, since 3×2232302163 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223230192 and 223230201.

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, 199290 + ... + 200406.

It is an arithmetic number, because the mean of its divisors is an integer number (9533745).

Almost surely, 2223230216 is an apocalyptic number.

It is an amenable number.

223230216 is an abundant number, since it is smaller than the sum of its proper divisors (386929464).

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

223230216 is a wasteful number, since it uses less digits than its factorization.

223230216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 223230216 is about 14940.8907364989. The cubic root of 223230216 is about 606.6213061658.

Adding to 223230216 its reverse (612032322), we get a palindrome (835262538).

It can be divided in two parts, 223230 and 216, that added together give a triangular number (223446 = T668).

The spelling of 223230216 in words is "two hundred twenty-three million, two hundred thirty thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 757 1117 1514 2234 2271 3028 3351 4468 4542 6056 6702 8327 8936 9084 12287 13404 16654 18168 24574 24981 26808 33308 36861 49148 49962 66616 73722 98296 99924 147444 199848 294888 845569 1691138 2536707 3382276 5073414 6764552 9301259 10146828 18602518 20293656 27903777 37205036 55807554 74410072 111615108 223230216