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2679049 = 2992381
BaseRepresentation
bin1010001110000100001001
312001002222001
422032010021
51141212144
6133231001
731525432
oct12160411
95032861
102679049
11156a89a
12a92461
1372a549
144da489
1537dbd4
hex28e109

2679049 has 4 divisors (see below), whose sum is σ = 2771460. Its totient is φ = 2586640.

The previous prime is 2679041. The next prime is 2679073. The reversal of 2679049 is 9409762.

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 1607824 + 1071225 = 1268^2 + 1035^2 .

It is a cyclic number.

It is not a de Polignac number, because 2679049 - 23 = 2679041 is a prime.

It is a Duffinian number.

2679049 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2678999 and 2679017.

It is not an unprimeable number, because it can be changed into a prime (2679041) 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, 46162 + ... + 46219.

It is an arithmetic number, because the mean of its divisors is an integer number (692865).

22679049 is an apocalyptic number.

2679049 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2679049 is a deficient number, since it is larger than the sum of its proper divisors (92411).

2679049 is an equidigital number, since it uses as much as digits as its factorization.

2679049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92410.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2679049 is about 1636.7800707487. The cubic root of 2679049 is about 138.8865592735.

It can be divided in two parts, 267 and 9049, that added together give a triangular number (9316 = T136).

The spelling of 2679049 in words is "two million, six hundred seventy-nine thousand, forty-nine".

Divisors: 1 29 92381 2679049