Search a number
-
+
120342115 = 583409709
BaseRepresentation
bin1110010110001…
…00011001100011
322101110000100101
413023010121203
5221301421430
615535203231
72660614435
oct713043143
9271400311
10120342115
1161a258a3
1234376517
131bc1686a
1411da8655
15a871dca
hex72c4663

120342115 has 16 divisors (see below), whose sum is σ = 146714400. Its totient is φ = 94747392.

The previous prime is 120342113. The next prime is 120342119. The reversal of 120342115 is 511243021.

It is a cyclic number.

It is not a de Polignac number, because 120342115 - 21 = 120342113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120342092 and 120342101.

It is not an unprimeable number, because it can be changed into a prime (120342113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169381 + ... + 170089.

It is an arithmetic number, because the mean of its divisors is an integer number (9169650).

Almost surely, 2120342115 is an apocalyptic number.

120342115 is a deficient number, since it is larger than the sum of its proper divisors (26372285).

120342115 is an equidigital number, since it uses as much as digits as its factorization.

120342115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 120342115 is about 10970.0553781647. The cubic root of 120342115 is about 493.7107079773.

Adding to 120342115 its reverse (511243021), we get a palindrome (631585136).

The spelling of 120342115 in words is "one hundred twenty million, three hundred forty-two thousand, one hundred fifteen".

Divisors: 1 5 83 409 415 709 2045 3545 33947 58847 169735 289981 294235 1449905 24068423 120342115