Search a number
-
+
1380255180 = 223523004253
BaseRepresentation
bin101001001000101…
…0000010111001100
310120012012020011020
41102101100113030
510311321131210
6344543354140
746126655403
oct12221202714
93505166136
101380255180
11649133167
123262b2950
1318cc57555
14d145263a
1581294770
hex524505cc

1380255180 has 24 divisors (see below), whose sum is σ = 3864714672. Its totient is φ = 368068032.

The previous prime is 1380255179. The next prime is 1380255199. The reversal of 1380255180 is 815520831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11502067 + ... + 11502186.

It is an arithmetic number, because the mean of its divisors is an integer number (161029778).

Almost surely, 21380255180 is an apocalyptic number.

1380255180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1380255180 is an abundant number, since it is smaller than the sum of its proper divisors (2484459492).

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

1380255180 is a wasteful number, since it uses less digits than its factorization.

1380255180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23004265 (or 23004263 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 1380255180 is about 37151.7856905964. The cubic root of 1380255180 is about 1113.4049007583.

The spelling of 1380255180 in words is "one billion, three hundred eighty million, two hundred fifty-five thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 23004253 46008506 69012759 92017012 115021265 138025518 230042530 276051036 345063795 460085060 690127590 1380255180