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230434242 = 23192191557
BaseRepresentation
bin11011011110000…
…10010111000010
3121001121021100120
431233002113002
5432442343432
634511001110
75465441643
oct1557022702
9531537316
10230434242
1110908a725
1265209196
1338981b2c
14228656ca
151536bc2c
hexdbc25c2

230434242 has 48 divisors (see below), whose sum is σ = 489825792. Its totient is φ = 72257760.

The previous prime is 230434229. The next prime is 230434289. The reversal of 230434242 is 242434032.

230434242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2304342422 = 106199879772229128, which contains 22 as substring.

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, 413428 + ... + 413984.

It is an arithmetic number, because the mean of its divisors is an integer number (10204704).

Almost surely, 2230434242 is an apocalyptic number.

230434242 is an abundant number, since it is smaller than the sum of its proper divisors (259391550).

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

230434242 is a wasteful number, since it uses less digits than its factorization.

230434242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 230434242 is about 15180.0606718155. The cubic root of 230434242 is about 613.0779147433.

Adding to 230434242 its reverse (242434032), we get a palindrome (472868274).

The spelling of 230434242 in words is "two hundred thirty million, four hundred thirty-four thousand, two hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 191 361 382 557 573 722 1083 1114 1146 1671 2166 3342 3629 7258 10583 10887 21166 21774 31749 63498 68951 106387 137902 201077 206853 212774 319161 402154 413706 603231 638322 1206462 2021353 4042706 6064059 12128118 38405707 76811414 115217121 230434242