Search a number
-
+
144107660 = 2257205383
BaseRepresentation
bin10001001011011…
…10100010001100
3101001011102112202
420211232202030
5243342421120
622144421032
73366615644
oct1045564214
9331142482
10144107660
1174388244
1240317778
1323b17c08
14151d3524
15c9b8875
hex896e88c

144107660 has 12 divisors (see below), whose sum is σ = 302626128. Its totient is φ = 57643056.

The previous prime is 144107659. The next prime is 144107669. The reversal of 144107660 is 66701441.

It is not an unprimeable number, because it can be changed into a prime (144107669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3602672 + ... + 3602711.

It is an arithmetic number, because the mean of its divisors is an integer number (25218844).

Almost surely, 2144107660 is an apocalyptic number.

144107660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144107660 is an abundant number, since it is smaller than the sum of its proper divisors (158518468).

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

144107660 is a wasteful number, since it uses less digits than its factorization.

144107660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7205392 (or 7205390 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 144107660 is about 12004.4849952008. The cubic root of 144107660 is about 524.2788708476.

The spelling of 144107660 in words is "one hundred forty-four million, one hundred seven thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 7205383 14410766 28821532 36026915 72053830 144107660