Search a number
-
+
1381260 = 223523021
BaseRepresentation
bin101010001001110001100
32121011201210
411101032030
5323200020
645334420
714511666
oct5211614
92534653
101381260
11863841
12567410
1339491a
1427d536
151c43e0
hex15138c

1381260 has 24 divisors (see below), whose sum is σ = 3867696. Its totient is φ = 368320.

The previous prime is 1381231. The next prime is 1381271. The reversal of 1381260 is 621831.

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, 11451 + ... + 11570.

It is an arithmetic number, because the mean of its divisors is an integer number (161154).

21381260 is an apocalyptic number.

1381260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1381260 is an abundant number, since it is smaller than the sum of its proper divisors (2486436).

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

1381260 is a wasteful number, since it uses less digits than its factorization.

1381260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23033 (or 23031 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1381260 is about 1175.2701817029. The cubic root of 1381260 is about 111.3675019925.

The spelling of 1381260 in words is "one million, three hundred eighty-one thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 23021 46042 69063 92084 115105 138126 230210 276252 345315 460420 690630 1381260