Search a number
-
+
13044280 = 235833929
BaseRepresentation
bin110001110000…
…101000111000
3220112201101111
4301300220320
511314404110
61143330104
7215605654
oct61605070
926481344
1013044280
1173aa3a7
124450934
132919412
141a37a64
151229e8a
hexc70a38

13044280 has 32 divisors (see below), whose sum is σ = 29710800. Its totient is φ = 5153536.

The previous prime is 13044247. The next prime is 13044293. The reversal of 13044280 is 8244031.

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, 1356 + ... + 5284.

Almost surely, 213044280 is an apocalyptic number.

13044280 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 13044280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14855400).

13044280 is an abundant number, since it is smaller than the sum of its proper divisors (16666520).

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

13044280 is a wasteful number, since it uses less digits than its factorization.

13044280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023 (or 4019 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 13044280 is about 3611.6865866240. The cubic root of 13044280 is about 235.4001331572.

The spelling of 13044280 in words is "thirteen million, forty-four thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 83 166 332 415 664 830 1660 3320 3929 7858 15716 19645 31432 39290 78580 157160 326107 652214 1304428 1630535 2608856 3261070 6522140 13044280