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15016141 = 72145163
BaseRepresentation
bin111001010010…
…000011001101
31001020220021101
4321102003031
512321004031
61253503101
7241430560
oct71220315
931226241
1015016141
118526938
125041a91
133159aba
141dcc4d7
1514b9361
hexe520cd

15016141 has 4 divisors (see below), whose sum is σ = 17161312. Its totient is φ = 12870972.

The previous prime is 15016129. The next prime is 15016147. The reversal of 15016141 is 14161051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15016141 - 25 = 15016109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15016147) 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 3 ways as a sum of consecutive naturals, for example, 1072575 + ... + 1072588.

It is an arithmetic number, because the mean of its divisors is an integer number (4290328).

Almost surely, 215016141 is an apocalyptic number.

It is an amenable number.

15016141 is a deficient number, since it is larger than the sum of its proper divisors (2145171).

15016141 is an equidigital number, since it uses as much as digits as its factorization.

15016141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145170.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 15016141 is about 3875.0665800732. The cubic root of 15016141 is about 246.7096360092.

Adding to 15016141 its reverse (14161051), we get a palindrome (29177192).

The spelling of 15016141 in words is "fifteen million, sixteen thousand, one hundred forty-one".

Divisors: 1 7 2145163 15016141