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230120022 = 23116175651
BaseRepresentation
bin11011011011101…
…01101001010110
3121001000022022210
431231311221112
5432402320042
634500134250
75462662566
oct1555655126
9531008283
10230120022
11108995640
1265097386
13388a1ac2
14227c2da6
1515308a9c
hexdb75a56

230120022 has 32 divisors (see below), whose sum is σ = 502982784. Its totient is φ = 69608000.

The previous prime is 230119997. The next prime is 230120027. The reversal of 230120022 is 220021032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230120027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37897 + ... + 43547.

It is an arithmetic number, because the mean of its divisors is an integer number (15718212).

Almost surely, 2230120022 is an apocalyptic number.

230120022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

230120022 is an abundant number, since it is smaller than the sum of its proper divisors (272862762).

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

230120022 is a wasteful number, since it uses less digits than its factorization.

230120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6284.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 230120022 is about 15169.7073801705. The cubic root of 230120022 is about 612.7991237543.

Adding to 230120022 its reverse (220021032), we get a palindrome (450141054).

The spelling of 230120022 in words is "two hundred thirty million, one hundred twenty thousand, twenty-two".

Divisors: 1 2 3 6 11 22 33 66 617 1234 1851 3702 5651 6787 11302 13574 16953 20361 33906 40722 62161 124322 186483 372966 3486667 6973334 10460001 20920002 38353337 76706674 115060011 230120022