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2679131 = 71359499
BaseRepresentation
bin1010001110000101011011
312001010002002
422032011123
51141213011
6133231215
731525610
oct12160533
95033062
102679131
11156a964
12a9250b
1372a5b0
144da507
1537dc3b
hex28e15b

2679131 has 16 divisors (see below), whose sum is σ = 3360000. Its totient is φ = 2079648.

The previous prime is 2679119. The next prime is 2679139. The reversal of 2679131 is 1319762.

2679131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2679131 is a prime.

It is a super-2 number, since 2×26791312 = 14355485830322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2679094 and 2679103.

It is not an unprimeable number, because it can be changed into a prime (2679139) 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 15 ways as a sum of consecutive naturals, for example, 5120 + ... + 5618.

It is an arithmetic number, because the mean of its divisors is an integer number (210000).

22679131 is an apocalyptic number.

2679131 is a deficient number, since it is larger than the sum of its proper divisors (680869).

2679131 is a wasteful number, since it uses less digits than its factorization.

2679131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578.

The product of its digits is 2268, while the sum is 29.

The square root of 2679131 is about 1636.8051197378. The cubic root of 2679131 is about 138.8879762666.

It can be divided in two parts, 26 and 79131, that multiplied together give a triangular number (2057406 = T2028).

The spelling of 2679131 in words is "two million, six hundred seventy-nine thousand, one hundred thirty-one".

Divisors: 1 7 13 59 91 413 499 767 3493 5369 6487 29441 45409 206087 382733 2679131