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2889045 = 3251931109
BaseRepresentation
bin1011000001010101010101
312102210000200
423001111111
51214422140
6141531113
733361605
oct13012525
95383020
102889045
1116a3645
12b73a99
137a1cc3
14552c05
153c1030
hex2c1555

2889045 has 48 divisors (see below), whose sum is σ = 5491200. Its totient is φ = 1399680.

The previous prime is 2889023. The next prime is 2889049. The reversal of 2889045 is 5409882.

It is not a de Polignac number, because 2889045 - 25 = 2889013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26451 + ... + 26559.

It is an arithmetic number, because the mean of its divisors is an integer number (114400).

22889045 is an apocalyptic number.

It is an amenable number.

2889045 is a deficient number, since it is larger than the sum of its proper divisors (2602155).

2889045 is a wasteful number, since it uses less digits than its factorization.

2889045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2889045 is about 1699.7190944388. The cubic root of 2889045 is about 142.4245214315.

The spelling of 2889045 in words is "two million, eight hundred eighty-nine thousand, forty-five".

Divisors: 1 3 5 9 15 19 31 45 57 93 95 109 155 171 279 285 327 465 545 589 855 981 1395 1635 1767 2071 2945 3379 4905 5301 6213 8835 10137 10355 16895 18639 26505 30411 31065 50685 64201 93195 152055 192603 321005 577809 963015 2889045