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2838530 = 25373761
BaseRepresentation
bin1010110101000000000010
312100012201202
422311000002
51211313110
6140501202
733061412
oct12650002
95305652
102838530
1116696a2
12b4a802
13785006
1453c642
153b10a5
hex2b5002

2838530 has 16 divisors (see below), whose sum is σ = 5129784. Its totient is φ = 1130880.

The previous prime is 2838487. The next prime is 2838547. The reversal of 2838530 is 358382.

It can be written as a sum of positive squares in 4 ways, for example, as 1352569 + 1485961 = 1163^2 + 1219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2838493 and 2838502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3350 + ... + 4110.

22838530 is an apocalyptic number.

2838530 is a deficient number, since it is larger than the sum of its proper divisors (2291254).

2838530 is a wasteful number, since it uses less digits than its factorization.

2838530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2838530 is about 1684.7937559239. The cubic root of 2838530 is about 141.5895374078.

The spelling of 2838530 in words is "two million, eight hundred thirty-eight thousand, five hundred thirty".

Divisors: 1 2 5 10 373 746 761 1522 1865 3730 3805 7610 283853 567706 1419265 2838530