Search a number
-
+
120628312 = 2372154077
BaseRepresentation
bin1110011000010…
…10010001011000
322101222112221021
413030022101120
5221340101222
615545252224
72663216020
oct714122130
9271875837
10120628312
1162100922
1234494074
131bcb6bcc
1412040a80
15a8cbac7
hex730a458

120628312 has 16 divisors (see below), whose sum is σ = 258489360. Its totient is φ = 51697824.

The previous prime is 120628309. The next prime is 120628331. The reversal of 120628312 is 213826021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076983 + ... + 1077094.

It is an arithmetic number, because the mean of its divisors is an integer number (16155585).

Almost surely, 2120628312 is an apocalyptic number.

It is an amenable number.

120628312 is an abundant number, since it is smaller than the sum of its proper divisors (137861048).

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

120628312 is a wasteful number, since it uses less digits than its factorization.

120628312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154090 (or 2154086 counting only the distinct ones).

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

The square root of 120628312 is about 10983.0920964909. The cubic root of 120628312 is about 494.1017782174.

The spelling of 120628312 in words is "one hundred twenty million, six hundred twenty-eight thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 2154077 4308154 8616308 15078539 17232616 30157078 60314156 120628312