Search a number
-
+
15348768 = 2531011583
BaseRepresentation
bin111010100011…
…010000100000
31001212210112220
4322203100200
512412130033
61304551040
7244314411
oct72432040
931783486
1015348768
118733836
125182480
133245316
142077808
151532bb3
hexea3420

15348768 has 48 divisors (see below), whose sum is σ = 40715136. Its totient is φ = 5062400.

The previous prime is 15348763. The next prime is 15348799. The reversal of 15348768 is 86784351.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (15348763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8905 + ... + 10487.

It is an arithmetic number, because the mean of its divisors is an integer number (848232).

Almost surely, 215348768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15348768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20357568).

15348768 is an abundant number, since it is smaller than the sum of its proper divisors (25366368).

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

15348768 is a wasteful number, since it uses less digits than its factorization.

15348768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1689 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 15348768 is about 3917.7503748963. The cubic root of 15348768 is about 248.5179946674.

The spelling of 15348768 in words is "fifteen million, three hundred forty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 101 202 303 404 606 808 1212 1583 1616 2424 3166 3232 4749 4848 6332 9498 9696 12664 18996 25328 37992 50656 75984 151968 159883 319766 479649 639532 959298 1279064 1918596 2558128 3837192 5116256 7674384 15348768