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120223313 = 724357059
BaseRepresentation
bin1110010101001…
…11011001010001
322101012222101022
413022213121101
5221234121223
615532445225
72656611200
oct712473121
9271188338
10120223313
1161954611
1234319815
131bba4772
1411d77237
15a84bac8
hex72a7651

120223313 has 12 divisors (see below), whose sum is σ = 143106480. Its totient is φ = 100650312.

The previous prime is 120223309. The next prime is 120223319. The reversal of 120223313 is 313322021.

It is not a de Polignac number, because 120223313 - 22 = 120223309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120223291 and 120223300.

It is not an unprimeable number, because it can be changed into a prime (120223319) 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, 26423 + ... + 30636.

It is an arithmetic number, because the mean of its divisors is an integer number (11925540).

Almost surely, 2120223313 is an apocalyptic number.

It is an amenable number.

120223313 is a deficient number, since it is larger than the sum of its proper divisors (22883167).

120223313 is an equidigital number, since it uses as much as digits as its factorization.

120223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57116 (or 57109 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 120223313 is about 10964.6392097506. The cubic root of 120223313 is about 493.5481903882.

Adding to 120223313 its reverse (313322021), we get a palindrome (433545334).

The spelling of 120223313 in words is "one hundred twenty million, two hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 7 43 49 301 2107 57059 399413 2453537 2795891 17174759 120223313