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2678996 = 221739397
BaseRepresentation
bin1010001110000011010100
312001002220002
422032003110
51141211441
6133230432
731525325
oct12160324
95032802
102678996
11156a851
12a92418
1372a508
144da44c
1537db9b
hex28e0d4

2678996 has 12 divisors (see below), whose sum is σ = 4964148. Its totient is φ = 1260672.

The previous prime is 2678993. The next prime is 2679031. The reversal of 2678996 is 6998762.

It can be written as a sum of positive squares in 2 ways, for example, as 2016400 + 662596 = 1420^2 + 814^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2678996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678993) 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, 19631 + ... + 19766.

It is an arithmetic number, because the mean of its divisors is an integer number (413679).

22678996 is an apocalyptic number.

It is an amenable number.

2678996 is a deficient number, since it is larger than the sum of its proper divisors (2285152).

2678996 is a wasteful number, since it uses less digits than its factorization.

2678996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39418 (or 39416 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 2678996 is about 1636.7638803444. The cubic root of 2678996 is about 138.8856433968.

The spelling of 2678996 in words is "two million, six hundred seventy-eight thousand, nine hundred ninety-six".

Divisors: 1 2 4 17 34 68 39397 78794 157588 669749 1339498 2678996