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2678029 = 2839463
BaseRepresentation
bin1010001101110100001101
312001001120021
422031310031
51141144104
6133222141
731522444
oct12156415
95031507
102678029
11156a052
12a91951
13729c43
144d9d5b
1537d754
hex28dd0d

2678029 has 4 divisors (see below), whose sum is σ = 2687776. Its totient is φ = 2668284.

The previous prime is 2678017. The next prime is 2678041. The reversal of 2678029 is 9208762.

2678029 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2678017) and next prime (2678041).

It is a cyclic number.

It is not a de Polignac number, because 2678029 - 27 = 2677901 is a prime.

It is a Duffinian number.

2678029 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2677985 and 2678003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678009) 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, 4449 + ... + 5014.

It is an arithmetic number, because the mean of its divisors is an integer number (671944).

22678029 is an apocalyptic number.

It is an amenable number.

2678029 is a deficient number, since it is larger than the sum of its proper divisors (9747).

2678029 is an equidigital number, since it uses as much as digits as its factorization.

2678029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9746.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2678029 is about 1636.4684537137. The cubic root of 2678029 is about 138.8689308448.

The spelling of 2678029 in words is "two million, six hundred seventy-eight thousand, twenty-nine".

Divisors: 1 283 9463 2678029