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223211030 = 25713812309
BaseRepresentation
bin11010100110111…
…10111000010110
3120120000021222012
431103132320112
5424120223110
634052104222
75350156010
oct1523367026
9516007865
10223211030
11104aa6829
1262905072
1337323143
14219051b0
15148e1905
hexd4dee16

223211030 has 32 divisors (see below), whose sum is σ = 459708480. Its totient is φ = 76440960.

The previous prime is 223210957. The next prime is 223211063. The reversal of 223211030 is 30112322.

It is a happy number.

It is a super-3 number, since 3×2232110303 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223210996 and 223211014.

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, 95516 + ... + 97824.

It is an arithmetic number, because the mean of its divisors is an integer number (14365890).

Almost surely, 2223211030 is an apocalyptic number.

223211030 is an abundant number, since it is smaller than the sum of its proper divisors (236497450).

223211030 is a wasteful number, since it uses less digits than its factorization.

223211030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 223211030 is about 14940.2486592426. The cubic root of 223211030 is about 606.6039265446.

Adding to 223211030 its reverse (30112322), we get a palindrome (253323352).

The spelling of 223211030 in words is "two hundred twenty-three million, two hundred eleven thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 1381 2309 2762 4618 6905 9667 11545 13810 16163 19334 23090 32326 48335 80815 96670 161630 3188729 6377458 15943645 22321103 31887290 44642206 111605515 223211030