Search a number
-
+
13370540 = 225668527
BaseRepresentation
bin110011000000…
…010010101100
3221011021221012
4303000102230
511410324130
61154324352
7221435111
oct63002254
927137835
1013370540
117602537
1245896b8
132a01a81
141ac0908
151291995
hexcc04ac

13370540 has 12 divisors (see below), whose sum is σ = 28078176. Its totient is φ = 5348208.

The previous prime is 13370503. The next prime is 13370557. The reversal of 13370540 is 4507331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334244 + ... + 334283.

It is an arithmetic number, because the mean of its divisors is an integer number (2339848).

Almost surely, 213370540 is an apocalyptic number.

13370540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13370540 is an abundant number, since it is smaller than the sum of its proper divisors (14707636).

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

13370540 is a wasteful number, since it uses less digits than its factorization.

13370540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668536 (or 668534 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 13370540 is about 3656.5749000943. The cubic root of 13370540 is about 237.3465823587.

Adding to 13370540 its reverse (4507331), we get a palindrome (17877871).

The spelling of 13370540 in words is "thirteen million, three hundred seventy thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 668527 1337054 2674108 3342635 6685270 13370540