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222135030 = 232513189859
BaseRepresentation
bin11010011110110…
…00001011110110
3120110222121222100
431033120023312
5423331310110
634013042530
75335054665
oct1517301366
9513877870
10222135030
11104431377
1262486446
1337037460
1421704ddc
151477cbc0
hexd3d82f6

222135030 has 48 divisors (see below), whose sum is σ = 621981360. Its totient is φ = 54679104.

The previous prime is 222135029. The next prime is 222135047. The reversal of 222135030 is 30531222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222134994 and 222135012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93760 + ... + 96099.

It is an arithmetic number, because the mean of its divisors is an integer number (12957945).

Almost surely, 2222135030 is an apocalyptic number.

222135030 is an abundant number, since it is smaller than the sum of its proper divisors (399846330).

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

222135030 is a wasteful number, since it uses less digits than its factorization.

222135030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189885 (or 189882 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 222135030 is about 14904.1950470329. The cubic root of 222135030 is about 605.6276345229.

Adding to 222135030 its reverse (30531222), we get a palindrome (252666252).

The spelling of 222135030 in words is "two hundred twenty-two million, one hundred thirty-five thousand, thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 189859 379718 569577 949295 1139154 1708731 1898590 2468167 2847885 3417462 4936334 5695770 7404501 8543655 12340835 14809002 17087310 22213503 24681670 37022505 44427006 74045010 111067515 222135030