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222132030 = 23517435553
BaseRepresentation
bin11010011110101…
…11011100111110
3120110222110212020
431033113130332
5423331211110
634013021010
75335043151
oct1517273476
9513873766
10222132030
1110442a09a
1262484766
1337035c93
1421703c98
151477bd70
hexd3d773e

222132030 has 32 divisors (see below), whose sum is σ = 564477984. Its totient is φ = 55750656.

The previous prime is 222131989. The next prime is 222132041. The reversal of 222132030 is 30231222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217267 + ... + 218286.

It is an arithmetic number, because the mean of its divisors is an integer number (17639937).

Almost surely, 2222132030 is an apocalyptic number.

222132030 is an abundant number, since it is smaller than the sum of its proper divisors (342345954).

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

222132030 is a wasteful number, since it uses less digits than its factorization.

222132030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435580.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 222132030 is about 14904.0944038878. The cubic root of 222132030 is about 605.6249081165.

Adding to 222132030 its reverse (30231222), we get a palindrome (252363252).

The spelling of 222132030 in words is "two hundred twenty-two million, one hundred thirty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 435553 871106 1306659 2177765 2613318 4355530 6533295 7404401 13066590 14808802 22213203 37022005 44426406 74044010 111066015 222132030