Search a number
-
+
120681444 = 22313773599
BaseRepresentation
bin1110011000101…
…11001111100100
322102002020211010
413030113033210
5221343301234
615550342220
72663526642
oct714271744
9272066733
10120681444
1162137834
12344ba970
131c005150
1412056192
15a8dc6e9
hex73173e4

120681444 has 24 divisors (see below), whose sum is σ = 303251200. Its totient is φ = 37132704.

The previous prime is 120681443. The next prime is 120681467. The reversal of 120681444 is 444186021.

It is not an unprimeable number, because it can be changed into a prime (120681443) 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, 386644 + ... + 386955.

Almost surely, 2120681444 is an apocalyptic number.

It is an amenable number.

120681444 is an abundant number, since it is smaller than the sum of its proper divisors (182569756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120681444 is a wasteful number, since it uses less digits than its factorization.

120681444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773619 (or 773617 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 120681444 is about 10985.5106390190. The cubic root of 120681444 is about 494.1743116655.

The spelling of 120681444 in words is "one hundred twenty million, six hundred eighty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 773599 1547198 2320797 3094396 4641594 9283188 10056787 20113574 30170361 40227148 60340722 120681444