Search a number
-
+
13326280 = 2351131977
BaseRepresentation
bin110010110101…
…011111001000
3221002001012221
4302311133020
511402420110
61153343424
7221162062
oct62653710
927061187
1013326280
117582260
124567b74
1329b7896
141aac732
1512837da
hexcb57c8

13326280 has 64 divisors (see below), whose sum is σ = 33799680. Its totient is φ = 4684800.

The previous prime is 13326263. The next prime is 13326281. The reversal of 13326280 is 8262331.

It is not an unprimeable number, because it can be changed into a prime (13326281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13152 + ... + 14128.

It is an arithmetic number, because the mean of its divisors is an integer number (528120).

Almost surely, 213326280 is an apocalyptic number.

13326280 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 13326280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16899840).

13326280 is an abundant number, since it is smaller than the sum of its proper divisors (20473400).

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

13326280 is a wasteful number, since it uses less digits than its factorization.

13326280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13326280 is about 3650.5177714949. The cubic root of 13326280 is about 237.0843996673.

The spelling of 13326280 in words is "thirteen million, three hundred twenty-six thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 31 40 44 55 62 88 110 124 155 220 248 310 341 440 620 682 977 1240 1364 1705 1954 2728 3410 3908 4885 6820 7816 9770 10747 13640 19540 21494 30287 39080 42988 53735 60574 85976 107470 121148 151435 214940 242296 302870 333157 429880 605740 666314 1211480 1332628 1665785 2665256 3331570 6663140 13326280