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2813129 = 11267347
BaseRepresentation
bin1010101110110011001001
312021220212222
422232303021
51210010004
6140143425
732624354
oct12566311
95256788
102813129
111651600
12b37b75
13776597
1453329b
153a87be
hex2aecc9

2813129 has 12 divisors (see below), whose sum is σ = 3147312. Its totient is φ = 2511960.

The previous prime is 2813123. The next prime is 2813131. The reversal of 2813129 is 9213182.

It is a de Polignac number, because none of the positive numbers 2k-2813129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2813098 and 2813107.

It is not an unprimeable number, because it can be changed into a prime (2813123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7934 + ... + 8280.

It is an arithmetic number, because the mean of its divisors is an integer number (262276).

22813129 is an apocalyptic number.

It is an amenable number.

2813129 is a deficient number, since it is larger than the sum of its proper divisors (334183).

2813129 is a wasteful number, since it uses less digits than its factorization.

2813129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 425 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 2813129 is about 1677.2385042086. The cubic root of 2813129 is about 141.1659264218.

The spelling of 2813129 in words is "two million, eight hundred thirteen thousand, one hundred twenty-nine".

Divisors: 1 11 67 121 347 737 3817 8107 23249 41987 255739 2813129