Search a number
-
+
120221386 = 2338917737
BaseRepresentation
bin1110010101001…
…10111011001010
322101012212201221
413022212323022
5221234041021
615532432254
72656602445
oct712467312
9271185657
10120221386
116195311a
123431868a
131bba391c
1411d7665c
15a84b241
hex72a6eca

120221386 has 8 divisors (see below), whose sum is σ = 180395460. Its totient is φ = 60089568.

The previous prime is 120221377. The next prime is 120221401. The reversal of 120221386 is 683122021.

It can be written as a sum of positive squares in 2 ways, for example, as 90725625 + 29495761 = 9525^2 + 5431^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 120221386.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2091 + ... + 15646.

Almost surely, 2120221386 is an apocalyptic number.

120221386 is a deficient number, since it is larger than the sum of its proper divisors (60174074).

120221386 is a wasteful number, since it uses less digits than its factorization.

120221386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21128.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 120221386 is about 10964.5513360101. The cubic root of 120221386 is about 493.5455534275.

The spelling of 120221386 in words is "one hundred twenty million, two hundred twenty-one thousand, three hundred eighty-six".

Divisors: 1 2 3389 6778 17737 35474 60110693 120221386