Search a number
-
+
303120140 = 22515156007
BaseRepresentation
bin10010000100010…
…011111100001100
3210010101002122212
4102010103330030
51110044321030
650024525552
710340323121
oct2204237414
9703332585
10303120140
11146115714
12856208b8
134aa5103b
142c386748
151b928595
hex12113f0c

303120140 has 12 divisors (see below), whose sum is σ = 636552336. Its totient is φ = 121248048.

The previous prime is 303120119. The next prime is 303120161. The reversal of 303120140 is 41021303.

303120140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (303120119) and next prime (303120161).

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, 7577984 + ... + 7578023.

It is an arithmetic number, because the mean of its divisors is an integer number (53046028).

Almost surely, 2303120140 is an apocalyptic number.

It is an amenable number.

303120140 is an abundant number, since it is smaller than the sum of its proper divisors (333432196).

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

303120140 is a wasteful number, since it uses less digits than its factorization.

303120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15156016 (or 15156014 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 303120140 is about 17410.3457748547. The cubic root of 303120140 is about 671.7457554605.

Adding to 303120140 its reverse (41021303), we get a palindrome (344141443).

The spelling of 303120140 in words is "three hundred three million, one hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 15156007 30312014 60624028 75780035 151560070 303120140