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2889628 = 227223641
BaseRepresentation
bin1011000001011110011100
312102210211021
423001132130
51214432003
6141533524
733363400
oct13013634
95383737
102889628
1116a4025
12b742a4
137a2351
14553100
153c12bd
hex2c179c

2889628 has 36 divisors (see below), whose sum is σ = 6147792. Its totient is φ = 1182720.

The previous prime is 2889617. The next prime is 2889637. The reversal of 2889628 is 8269882.

2889628 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4188 + ... + 4828.

It is an arithmetic number, because the mean of its divisors is an integer number (170772).

22889628 is an apocalyptic number.

2889628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2889628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3073896).

2889628 is an abundant number, since it is smaller than the sum of its proper divisors (3258164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2889628 is a wasteful number, since it uses less digits than its factorization.

2889628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 673 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 2889628 is about 1699.8905847142. The cubic root of 2889628 is about 142.4341010575.

The spelling of 2889628 in words is "two million, eight hundred eighty-nine thousand, six hundred twenty-eight".

Divisors: 1 2 4 7 14 23 28 46 49 92 98 161 196 322 641 644 1127 1282 2254 2564 4487 4508 8974 14743 17948 29486 31409 58972 62818 103201 125636 206402 412804 722407 1444814 2889628