Search a number
-
+
120072164 = 2257152571
BaseRepresentation
bin1110010100000…
…10011111100100
322100221022001012
413022002133210
5221214302124
615525321352
72655411422
oct712023744
9270838035
10120072164
1161860aa3
1234266258
131bb50a24
1411d38112
15a81be0e
hex72827e4

120072164 has 12 divisors (see below), whose sum is σ = 210498288. Its totient is φ = 59929800.

The previous prime is 120072163. The next prime is 120072181. The reversal of 120072164 is 461270021.

It is not an unprimeable number, because it can be changed into a prime (120072163) 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 3 ways as a sum of consecutive naturals, for example, 24002 + ... + 28569.

It is an arithmetic number, because the mean of its divisors is an integer number (17541524).

Almost surely, 2120072164 is an apocalyptic number.

It is an amenable number.

120072164 is a deficient number, since it is larger than the sum of its proper divisors (90426124).

120072164 is a wasteful number, since it uses less digits than its factorization.

120072164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53146 (or 53144 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 120072164 is about 10957.7444759403. The cubic root of 120072164 is about 493.3412682353.

The spelling of 120072164 in words is "one hundred twenty million, seventy-two thousand, one hundred sixty-four".

Divisors: 1 2 4 571 1142 2284 52571 105142 210284 30018041 60036082 120072164