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1829248493 = 2137855989
BaseRepresentation
bin110110100001000…
…0001110111101101
311201111001110012012
41231002001313231
512221241422433
6501303051005
763221232662
oct15502016755
94644043165
101829248493
11859621516
12430740a65
13231c90c77
14134d2ba69
15aa8d4848
hex6d081ded

1829248493 has 4 divisors (see below), whose sum is σ = 1830106620. Its totient is φ = 1828390368.

The previous prime is 1829248453. The next prime is 1829248511. The reversal of 1829248493 is 3948429281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 779358889 + 1049889604 = 27917^2 + 32402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1829248493 - 218 = 1828986349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1829248453) 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, 425858 + ... + 430131.

It is an arithmetic number, because the mean of its divisors is an integer number (457526655).

Almost surely, 21829248493 is an apocalyptic number.

It is an amenable number.

1829248493 is a deficient number, since it is larger than the sum of its proper divisors (858127).

1829248493 is an equidigital number, since it uses as much as digits as its factorization.

1829248493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858126.

The product of its digits is 995328, while the sum is 50.

The square root of 1829248493 is about 42769.7146705470. The cubic root of 1829248493 is about 1222.9937434870.

The spelling of 1829248493 in words is "one billion, eight hundred twenty-nine million, two hundred forty-eight thousand, four hundred ninety-three".

Divisors: 1 2137 855989 1829248493