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2838493 = 7405499
BaseRepresentation
bin1010110100111111011101
312100012200101
422310333131
51211312433
6140501101
733061330
oct12647735
95305611
102838493
111669669
12b4a791
13784ca8
1453c617
153b107d
hex2b4fdd

2838493 has 4 divisors (see below), whose sum is σ = 3244000. Its totient is φ = 2432988.

The previous prime is 2838487. The next prime is 2838547. The reversal of 2838493 is 3948382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2838493 - 25 = 2838461 is a prime.

It is a super-2 number, since 2×28384932 = 16114085022098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2838443) 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, 202743 + ... + 202756.

It is an arithmetic number, because the mean of its divisors is an integer number (811000).

22838493 is an apocalyptic number.

It is an amenable number.

2838493 is a deficient number, since it is larger than the sum of its proper divisors (405507).

2838493 is an equidigital number, since it uses as much as digits as its factorization.

2838493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405506.

The product of its digits is 41472, while the sum is 37.

The square root of 2838493 is about 1684.7827753156. The cubic root of 2838493 is about 141.5889222025.

The spelling of 2838493 in words is "two million, eight hundred thirty-eight thousand, four hundred ninety-three".

Divisors: 1 7 405499 2838493