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15242796 = 22331131249
BaseRepresentation
bin111010001001…
…011000101100
31001200102012000
4322021120230
512400232141
61302412300
7243363432
oct72113054
931612160
1015242796
118671158
125131090
13320900a
14204ad52
1515115b6
hexe8962c

15242796 has 48 divisors (see below), whose sum is σ = 39900000. Its totient is φ = 5031936.

The previous prime is 15242789. The next prime is 15242797. The reversal of 15242796 is 69724251.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 15242796.

It is not an unprimeable number, because it can be changed into a prime (15242797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11580 + ... + 12828.

It is an arithmetic number, because the mean of its divisors is an integer number (831250).

Almost surely, 215242796 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 15242796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19950000).

15242796 is an abundant number, since it is smaller than the sum of its proper divisors (24657204).

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

15242796 is a wasteful number, since it uses less digits than its factorization.

15242796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375 (or 1367 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 15242796 is about 3904.2023513133. The cubic root of 15242796 is about 247.9447284040.

The spelling of 15242796 in words is "fifteen million, two hundred forty-two thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 113 226 339 452 678 1017 1249 1356 2034 2498 3051 3747 4068 4996 6102 7494 11241 12204 14988 22482 33723 44964 67446 134892 141137 282274 423411 564548 846822 1270233 1693644 2540466 3810699 5080932 7621398 15242796