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15130304 = 26733773
BaseRepresentation
bin111001101101…
…111011000000
31001110200212122
4321231323000
512333132204
61300143412
7242414450
oct71557300
931420778
1015130304
1185a4692
125097b68
133199a57
14201bd60
1514dd0be
hexe6dec0

15130304 has 28 divisors (see below), whose sum is σ = 34314384. Its totient is φ = 6484224.

The previous prime is 15130303. The next prime is 15130307. The reversal of 15130304 is 40303151.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (15130303) 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 3 ways as a sum of consecutive naturals, for example, 16439 + ... + 17334.

Almost surely, 215130304 is an apocalyptic number.

15130304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15130304 is an abundant number, since it is smaller than the sum of its proper divisors (19184080).

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

15130304 is an equidigital number, since it uses as much as digits as its factorization.

15130304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33792 (or 33782 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 15130304 is about 3889.7691448208. The cubic root of 15130304 is about 247.3332768256. Note that the first 3 decimals are identical.

Adding to 15130304 its reverse (40303151), we get a palindrome (55433455).

The spelling of 15130304 in words is "fifteen million, one hundred thirty thousand, three hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 33773 67546 135092 236411 270184 472822 540368 945644 1080736 1891288 2161472 3782576 7565152 15130304