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120345473 is a prime number
BaseRepresentation
bin1110010110001…
…01001110000001
322101110011221202
413023011032001
5221302023343
615535230545
72660630303
oct713051601
9271404852
10120345473
1161a28376
1234378455
131bc18251
1411da9973
15a872db8
hex72c5381

120345473 has 2 divisors, whose sum is σ = 120345474. Its totient is φ = 120345472.

The previous prime is 120345437. The next prime is 120345517. The reversal of 120345473 is 374543021.

It is a happy number.

Together with previous prime (120345437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76877824 + 43467649 = 8768^2 + 6593^2 .

It is a cyclic number.

It is not a de Polignac number, because 120345473 - 28 = 120345217 is a prime.

It is not a weakly prime, because it can be changed into another prime (120345403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60172736 + 60172737.

It is an arithmetic number, because the mean of its divisors is an integer number (60172737).

Almost surely, 2120345473 is an apocalyptic number.

It is an amenable number.

120345473 is a deficient number, since it is larger than the sum of its proper divisors (1).

120345473 is an equidigital number, since it uses as much as digits as its factorization.

120345473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 120345473 is about 10970.2084301074. The cubic root of 120345473 is about 493.7153000663.

Adding to 120345473 its reverse (374543021), we get a palindrome (494888494).

The spelling of 120345473 in words is "one hundred twenty million, three hundred forty-five thousand, four hundred seventy-three".