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15130122 = 237253971
BaseRepresentation
bin111001101101…
…111000001010
31001110200121220
4321231320022
512333130442
61300142510
7242414100
oct71557012
931420556
1015130122
1185a4537
125097a36
133199947
14201bc70
1514dceec
hexe6de0a

15130122 has 48 divisors (see below), whose sum is σ = 35901792. Its totient is φ = 4236960.

The previous prime is 15130097. The next prime is 15130133. The reversal of 15130122 is 22103151.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15097 + ... + 16067.

It is an arithmetic number, because the mean of its divisors is an integer number (747954).

Almost surely, 215130122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15130122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17950896).

15130122 is an abundant number, since it is smaller than the sum of its proper divisors (20771670).

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

15130122 is a wasteful number, since it uses less digits than its factorization.

15130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 15130122 is about 3889.7457500459. The cubic root of 15130122 is about 247.3322851109.

Adding to 15130122 its reverse (22103151), we get a palindrome (37233273).

The spelling of 15130122 in words is "fifteen million, one hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 49 53 98 106 147 159 294 318 371 742 971 1113 1942 2226 2597 2913 5194 5826 6797 7791 13594 15582 20391 40782 47579 51463 95158 102926 142737 154389 285474 308778 360241 720482 1080723 2161446 2521687 5043374 7565061 15130122