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230240214 = 23217191992
BaseRepresentation
bin11011011100100…
…10111111010110
3121001020102012100
431232102333112
5432420141324
634502502530
75464003161
oct1556227726
9531212170
10230240214
11108a67976
1265134a46
1338914719
1422814ad8
151532e4c9
hexdb92fd6

230240214 has 72 divisors (see below), whose sum is σ = 558806040. Its totient is φ = 68086656.

The previous prime is 230240209. The next prime is 230240237. The reversal of 230240214 is 412042032.

It is a super-2 number, since 2×2302402142 = 106021112285531592, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1156887 + ... + 1157085.

It is an arithmetic number, because the mean of its divisors is an integer number (7761195).

Almost surely, 2230240214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230240214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279403020).

230240214 is an abundant number, since it is smaller than the sum of its proper divisors (328565826).

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

230240214 is a wasteful number, since it uses less digits than its factorization.

230240214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 230240214 is about 15173.6684424038. The cubic root of 230240214 is about 612.9057937900.

Adding to 230240214 its reverse (412042032), we get a palindrome (642282246).

The spelling of 230240214 in words is "two hundred thirty million, two hundred forty thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 17 18 19 34 38 51 57 102 114 153 171 199 306 323 342 398 597 646 969 1194 1791 1938 2907 3383 3582 3781 5814 6766 7562 10149 11343 20298 22686 30447 34029 39601 60894 64277 68058 79202 118803 128554 192831 237606 356409 385662 578493 673217 712818 752419 1156986 1346434 1504838 2019651 2257257 4039302 4514514 6058953 6771771 12117906 12791123 13543542 25582246 38373369 76746738 115120107 230240214