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2944989 = 322341347
BaseRepresentation
bin1011001110111111011101
312112121202200
423032333131
51223214424
6143042113
734013655
oct13167735
95477680
102944989
111731683
12ba0339
137c15c8
14569365
153d28c9
hex2cefdd

2944989 has 24 divisors (see below), whose sum is σ = 4560192. Its totient is φ = 1826880.

The previous prime is 2944967. The next prime is 2944999. The reversal of 2944989 is 9894492.

It is not a de Polignac number, because 2944989 - 27 = 2944861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2944919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8314 + ... + 8660.

It is an arithmetic number, because the mean of its divisors is an integer number (190008).

22944989 is an apocalyptic number.

It is an amenable number.

2944989 is a deficient number, since it is larger than the sum of its proper divisors (1615203).

2944989 is a wasteful number, since it uses less digits than its factorization.

2944989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 414 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 2944989 is about 1716.0970252291. The cubic root of 2944989 is about 143.3379621124.

The spelling of 2944989 in words is "two million, nine hundred forty-four thousand, nine hundred eighty-nine".

Divisors: 1 3 9 23 41 69 123 207 347 369 943 1041 2829 3123 7981 8487 14227 23943 42681 71829 128043 327221 981663 2944989