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2513129 = 19712757
BaseRepresentation
bin1001100101100011101001
311201200100212
421211203221
51120410004
6125510505
730234623
oct11454351
94650325
102513129
111467173
12a12435
1369cb78
14495c13
1534996e
hex2658e9

2513129 has 4 divisors (see below), whose sum is σ = 2526084. Its totient is φ = 2500176.

The previous prime is 2513123. The next prime is 2513131. The reversal of 2513129 is 9213152.

2513129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2088025 + 425104 = 1445^2 + 652^2 .

It is a cyclic number.

It is not a de Polignac number, because 2513129 - 24 = 2513113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2513123) 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, 6182 + ... + 6575.

It is an arithmetic number, because the mean of its divisors is an integer number (631521).

22513129 is an apocalyptic number.

It is an amenable number.

2513129 is a deficient number, since it is larger than the sum of its proper divisors (12955).

2513129 is a wasteful number, since it uses less digits than its factorization.

2513129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12954.

The product of its digits is 540, while the sum is 23.

The square root of 2513129 is about 1585.2851478520. The cubic root of 2513129 is about 135.9580500663.

Adding to 2513129 its sum of digits (23), we get a palindrome (2513152).

The spelling of 2513129 in words is "two million, five hundred thirteen thousand, one hundred twenty-nine".

Divisors: 1 197 12757 2513129