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2733989 = 9472887
BaseRepresentation
bin1010011011011110100101
312010220022212
422123132211
51144441424
6134333205
732144546
oct12333645
95126285
102733989
1115a80a5
12aba205
1374955b
145124cd
1539010e
hex29b7a5

2733989 has 4 divisors (see below), whose sum is σ = 2737824. Its totient is φ = 2730156.

The previous prime is 2733979. The next prime is 2734007. The reversal of 2733989 is 9893372.

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 a cyclic number.

It is not a de Polignac number, because 2733989 - 28 = 2733733 is a prime.

It is a super-3 number, since 3×27339893 = 61307208714133322007, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2733979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497 + ... + 2390.

It is an arithmetic number, because the mean of its divisors is an integer number (684456).

22733989 is an apocalyptic number.

It is an amenable number.

2733989 is a deficient number, since it is larger than the sum of its proper divisors (3835).

2733989 is an equidigital number, since it uses as much as digits as its factorization.

2733989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834.

The product of its digits is 81648, while the sum is 41.

The square root of 2733989 is about 1653.4778498668. The cubic root of 2733989 is about 139.8295374287.

The spelling of 2733989 in words is "two million, seven hundred thirty-three thousand, nine hundred eighty-nine".

Divisors: 1 947 2887 2733989