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230111214 = 23371036537
BaseRepresentation
bin11011011011100…
…11011111101110
3121000222212020120
431231303133232
5432402024324
634500025410
75462625114
oct1555633756
9530885216
10230111214
11108989a63
1265092266
133889aaa8
14227bdab4
1515306179
hexdb737ee

230111214 has 16 divisors (see below), whose sum is σ = 472661328. Its totient is φ = 74630592.

The previous prime is 230111209. The next prime is 230111227. The reversal of 230111214 is 412111032.

It is a junction number, because it is equal to n+sod(n) for n = 230111193 and 230111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518047 + ... + 518490.

It is an arithmetic number, because the mean of its divisors is an integer number (29541333).

Almost surely, 2230111214 is an apocalyptic number.

230111214 is an abundant number, since it is smaller than the sum of its proper divisors (242550114).

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

230111214 is a wasteful number, since it uses less digits than its factorization.

230111214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036579.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 230111214 is about 15169.4170619704. The cubic root of 230111214 is about 612.7913052205.

Adding to 230111214 its reverse (412111032), we get a palindrome (642222246).

The spelling of 230111214 in words is "two hundred thirty million, one hundred eleven thousand, two hundred fourteen".

Divisors: 1 2 3 6 37 74 111 222 1036537 2073074 3109611 6219222 38351869 76703738 115055607 230111214