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2890432 = 26192377
BaseRepresentation
bin1011000001101011000000
312102211221001
423001223000
51214443212
6141541344
733365626
oct13015300
95384831
102890432
1116a4696
12b74854
137a281c
14553516
153c1657
hex2c1ac0

2890432 has 28 divisors (see below), whose sum is σ = 6040120. Its totient is φ = 1368576.

The previous prime is 2890429. The next prime is 2890439. The reversal of 2890432 is 2340982.

It is a self number, because there is not a number n which added to its sum of digits gives 2890432.

It is not an unprimeable number, because it can be changed into a prime (2890439) 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, 28 + ... + 2404.

22890432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2890432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3020060).

2890432 is an abundant number, since it is smaller than the sum of its proper divisors (3149688).

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

2890432 is a wasteful number, since it uses less digits than its factorization.

2890432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408 (or 2398 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2890432 is about 1700.1270540757. The cubic root of 2890432 is about 142.4473099547.

The spelling of 2890432 in words is "two million, eight hundred ninety thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 608 1216 2377 4754 9508 19016 38032 45163 76064 90326 152128 180652 361304 722608 1445216 2890432