Search a number
-
+
1341280 = 25583101
BaseRepresentation
bin101000111011101100000
32112010220001
411013131200
5320410110
644425344
714254303
oct5073540
92463801
101341280
118367a6
12548254
1337c675
1426cb3a
151b763a
hex147760

1341280 has 48 divisors (see below), whose sum is σ = 3238704. Its totient is φ = 524800.

The previous prime is 1341259. The next prime is 1341293. The reversal of 1341280 is 821431.

It is a congruent 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, 13230 + ... + 13330.

It is an arithmetic number, because the mean of its divisors is an integer number (67473).

21341280 is an apocalyptic number.

1341280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1341280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1619352).

1341280 is an abundant number, since it is smaller than the sum of its proper divisors (1897424).

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

1341280 is a wasteful number, since it uses less digits than its factorization.

1341280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1341280 is about 1158.1364341044. The cubic root of 1341280 is about 110.2824696161.

The spelling of 1341280 in words is "one million, three hundred forty-one thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 83 101 160 166 202 332 404 415 505 664 808 830 1010 1328 1616 1660 2020 2656 3232 3320 4040 6640 8080 8383 13280 16160 16766 33532 41915 67064 83830 134128 167660 268256 335320 670640 1341280