Search a number
-
+
120045413 = 294139497
BaseRepresentation
bin1110010011110…
…11111101100101
322100212221100102
413021323331211
5221212423123
615524553445
72655240425
oct711737545
9270787312
10120045413
1161842994
1234252885
131bb417b7
1411d2c485
15a814028
hex727bf65

120045413 has 4 divisors (see below), whose sum is σ = 124184940. Its totient is φ = 115905888.

The previous prime is 120045403. The next prime is 120045433. The reversal of 120045413 is 314540021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314540021 = 2111490711.

It can be written as a sum of positive squares in 2 ways, for example, as 40157569 + 79887844 = 6337^2 + 8938^2 .

It is a cyclic number.

It is not a de Polignac number, because 120045413 - 24 = 120045397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120045403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069720 + ... + 2069777.

It is an arithmetic number, because the mean of its divisors is an integer number (31046235).

Almost surely, 2120045413 is an apocalyptic number.

It is an amenable number.

120045413 is a deficient number, since it is larger than the sum of its proper divisors (4139527).

120045413 is an equidigital number, since it uses as much as digits as its factorization.

120045413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139526.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 120045413 is about 10956.5237644063. The cubic root of 120045413 is about 493.3046281792.

Adding to 120045413 its reverse (314540021), we get a palindrome (434585434).

The spelling of 120045413 in words is "one hundred twenty million, forty-five thousand, four hundred thirteen".

Divisors: 1 29 4139497 120045413