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233222530 = 25192383643
BaseRepresentation
bin11011110011010…
…11000110000010
3121020211221011111
431321223012002
5434201110110
635050433534
75531234032
oct1571530602
9536757144
10233222530
1110a7145a2
12661328aa
1339419cc8
1422d8d8c2
151571ce8a
hexde6b182

233222530 has 64 divisors (see below), whose sum is σ = 467389440. Its totient is φ = 83388096.

The previous prime is 233222527. The next prime is 233222569. The reversal of 233222530 is 35222332.

It is a happy number.

233222530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362389 + ... + 363031.

It is an arithmetic number, because the mean of its divisors is an integer number (7302960).

Almost surely, 2233222530 is an apocalyptic number.

233222530 is an abundant number, since it is smaller than the sum of its proper divisors (234166910).

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

233222530 is a wasteful number, since it uses less digits than its factorization.

233222530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 233222530 is about 15271.6249953959. The cubic root of 233222530 is about 615.5407850481.

Adding to 233222530 its reverse (35222332), we get a palindrome (268444862).

It can be divided in two parts, 23322 and 2530, that added together give a palindrome (25852).

The spelling of 233222530 in words is "two hundred thirty-three million, two hundred twenty-two thousand, five hundred thirty".

Divisors: 1 2 5 10 19 23 38 46 83 95 115 166 190 230 415 437 643 830 874 1286 1577 1909 2185 3154 3215 3818 4370 6430 7885 9545 12217 14789 15770 19090 24434 29578 36271 53369 61085 72542 73945 106738 122170 147890 181355 266845 280991 362710 533690 561982 1014011 1227487 1404955 2028022 2454974 2809910 5070055 6137435 10140110 12274870 23322253 46644506 116611265 233222530