Search a number
-
+
120243315 = 358016221
BaseRepresentation
bin1110010101011…
…00010001110011
322101020222211010
413022230101303
5221240241230
615533122003
72660023413
oct712542163
9271228733
10120243315
1161968645
1234329303
131bbb08ba
1411d80643
15a8529b0
hex72ac473

120243315 has 8 divisors (see below), whose sum is σ = 192389328. Its totient is φ = 64129760.

The previous prime is 120243311. The next prime is 120243323. The reversal of 120243315 is 513342021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120243315 - 22 = 120243311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120243291 and 120243300.

It is not an unprimeable number, because it can be changed into a prime (120243311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4008096 + ... + 4008125.

It is an arithmetic number, because the mean of its divisors is an integer number (24048666).

Almost surely, 2120243315 is an apocalyptic number.

120243315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120243315 is a deficient number, since it is larger than the sum of its proper divisors (72146013).

120243315 is an equidigital number, since it uses as much as digits as its factorization.

120243315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8016229.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 120243315 is about 10965.5512857311. The cubic root of 120243315 is about 493.5755600201.

Adding to 120243315 its reverse (513342021), we get a palindrome (633585336).

The spelling of 120243315 in words is "one hundred twenty million, two hundred forty-three thousand, three hundred fifteen".

Divisors: 1 3 5 15 8016221 24048663 40081105 120243315