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2838890 = 252312343
BaseRepresentation
bin1010110101000101101010
312100020020002
422311011222
51211321030
6140503002
733062435
oct12650552
95306202
102838890
11166999a
12b4aa62
13785222
1453c81c
153b1245
hex2b516a

2838890 has 16 divisors (see below), whose sum is σ = 5332608. Its totient is φ = 1086096.

The previous prime is 2838889. The next prime is 2838907. The reversal of 2838890 is 988382.

2838890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5942 + ... + 6401.

It is an arithmetic number, because the mean of its divisors is an integer number (333288).

22838890 is an apocalyptic number.

2838890 is a deficient number, since it is larger than the sum of its proper divisors (2493718).

2838890 is a wasteful number, since it uses less digits than its factorization.

2838890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12373.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 2838890 is about 1684.9005905394. The cubic root of 2838890 is about 141.5955229095.

The spelling of 2838890 in words is "two million, eight hundred thirty-eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 12343 24686 61715 123430 283889 567778 1419445 2838890