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555223230 = 2325174153167
BaseRepresentation
bin100001000110000…
…000100010111110
31102200202021002100
4201012000202332
52114114120410
6131032205530
716521214422
oct4106004276
91380667070
10555223230
11265455481
12135b398a6
138b04ba73
1453a4cb82
1533b258c0
hex211808be

555223230 has 192 divisors, whose sum is σ = 1604873088. Its totient is φ = 132587520.

The previous prime is 555223223. The next prime is 555223231. The reversal of 555223230 is 32322555.

It is a junction number, because it is equal to n+sod(n) for n = 555223194 and 555223203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555223231) 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 95 ways as a sum of consecutive naturals, for example, 3324607 + ... + 3324773.

It is an arithmetic number, because the mean of its divisors is an integer number (8358714).

Almost surely, 2555223230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555223230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802436544).

555223230 is an abundant number, since it is smaller than the sum of its proper divisors (1049649858).

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

555223230 is a wasteful number, since it uses less digits than its factorization.

555223230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 555223230 is about 23563.1752953629. The cubic root of 555223230 is about 821.9067416888.

Adding to 555223230 its reverse (32322555), we get a palindrome (587545785).

It can be divided in two parts, 5552 and 23230, that added together give a palindrome (28782).

The spelling of 555223230 in words is "five hundred fifty-five million, two hundred twenty-three thousand, two hundred thirty".