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15006130 = 251500613
BaseRepresentation
bin111001001111…
…100110110010
31001020101112121
4321033212302
512320144010
61253344454
7241356436
oct71174662
931211477
1015006130
11851a367
12503812a
133155389
141dc89c6
1514b63da
hexe4f9b2

15006130 has 8 divisors (see below), whose sum is σ = 27011052. Its totient is φ = 6002448.

The previous prime is 15006071. The next prime is 15006133. The reversal of 15006130 is 3160051.

It can be written as a sum of positive squares in 2 ways, for example, as 14953689 + 52441 = 3867^2 + 229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (15006133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750297 + ... + 750316.

Almost surely, 215006130 is an apocalyptic number.

15006130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15006130 is a deficient number, since it is larger than the sum of its proper divisors (12004922).

15006130 is a wasteful number, since it uses less digits than its factorization.

15006130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500620.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 15006130 is about 3873.7746449684. The cubic root of 15006130 is about 246.6547981466.

Adding to 15006130 its reverse (3160051), we get a palindrome (18166181).

The spelling of 15006130 in words is "fifteen million, six thousand, one hundred thirty".

Divisors: 1 2 5 10 1500613 3001226 7503065 15006130