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2890990 = 25289099
BaseRepresentation
bin1011000001110011101110
312102212200201
423001303232
51220002430
6141544114
733400354
oct13016356
95385621
102890990
1116a5053
12b7503a
137a2b5b
145537d4
153c18ca
hex2c1cee

2890990 has 8 divisors (see below), whose sum is σ = 5203800. Its totient is φ = 1156392.

The previous prime is 2890961. The next prime is 2890997. The reversal of 2890990 is 990982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890997) 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, 144540 + ... + 144559.

It is an arithmetic number, because the mean of its divisors is an integer number (650475).

22890990 is an apocalyptic number.

2890990 is a deficient number, since it is larger than the sum of its proper divisors (2312810).

2890990 is a wasteful number, since it uses less digits than its factorization.

2890990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289106.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 2890990 is about 1700.2911515385. The cubic root of 2890990 is about 142.4564758838.

The spelling of 2890990 in words is "two million, eight hundred ninety thousand, nine hundred ninety".

Divisors: 1 2 5 10 289099 578198 1445495 2890990