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2840230 = 25284023
BaseRepresentation
bin1010110101011010100110
312100022001201
422311122212
51211341410
6140513114
733066361
oct12653246
95308051
102840230
11166a9a8
12b4b79a
13785a13
1453d0d8
153b183a
hex2b56a6

2840230 has 8 divisors (see below), whose sum is σ = 5112432. Its totient is φ = 1136088.

The previous prime is 2840209. The next prime is 2840237. The reversal of 2840230 is 320482.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2840198 and 2840207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2840237) 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, 142002 + ... + 142021.

It is an arithmetic number, because the mean of its divisors is an integer number (639054).

22840230 is an apocalyptic number.

2840230 is a deficient number, since it is larger than the sum of its proper divisors (2272202).

2840230 is a wasteful number, since it uses less digits than its factorization.

2840230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284030.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2840230 is about 1685.2981931991. The cubic root of 2840230 is about 141.6177978310.

The spelling of 2840230 in words is "two million, eight hundred forty thousand, two hundred thirty".

Divisors: 1 2 5 10 284023 568046 1420115 2840230