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120223233 = 32131027549
BaseRepresentation
bin1110010101001…
…11011000000001
322101012222021100
413022213120001
5221234120413
615532445013
72656611024
oct712473001
9271188240
10120223233
1161954549
1234319769
131bba4710
1411d771bb
15a84ba73
hex72a7601

120223233 has 12 divisors (see below), whose sum is σ = 187014100. Its totient is φ = 73983456.

The previous prime is 120223219. The next prime is 120223261. The reversal of 120223233 is 332322021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10036224 + 110187009 = 3168^2 + 10497^2 .

It is not a de Polignac number, because 120223233 - 24 = 120223217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120223283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513658 + ... + 513891.

Almost surely, 2120223233 is an apocalyptic number.

120223233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

120223233 is a deficient number, since it is larger than the sum of its proper divisors (66790867).

120223233 is a wasteful number, since it uses less digits than its factorization.

120223233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027568 (or 1027565 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 120223233 is about 10964.6355616591. The cubic root of 120223233 is about 493.5480809145.

Adding to 120223233 its reverse (332322021), we get a palindrome (452545254).

The spelling of 120223233 in words is "one hundred twenty million, two hundred twenty-three thousand, two hundred thirty-three".

Divisors: 1 3 9 13 39 117 1027549 3082647 9247941 13358137 40074411 120223233