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1825884073 = 13140452621
BaseRepresentation
bin110110011010100…
…1100011110101001
311201020201112002001
41230311030132221
512214411242243
6501103011001
763150521116
oct15465143651
94636645061
101825884073
11857733802
1242b599a61
132313837a0
141346d390d
15aa46ca4d
hex6cd4c7a9

1825884073 has 4 divisors (see below), whose sum is σ = 1966336708. Its totient is φ = 1685431440.

The previous prime is 1825884061. The next prime is 1825884091. The reversal of 1825884073 is 3704885281.

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 496041984 + 1329842089 = 22272^2 + 36467^2 .

It is a cyclic number.

It is not a de Polignac number, because 1825884073 - 25 = 1825884041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1825884023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70226298 + ... + 70226323.

It is an arithmetic number, because the mean of its divisors is an integer number (491584177).

Almost surely, 21825884073 is an apocalyptic number.

1825884073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1825884073 is a deficient number, since it is larger than the sum of its proper divisors (140452635).

1825884073 is a wasteful number, since it uses less digits than its factorization.

1825884073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140452634.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 1825884073 is about 42730.3647655856. The cubic root of 1825884073 is about 1222.2434918909.

The spelling of 1825884073 in words is "one billion, eight hundred twenty-five million, eight hundred eighty-four thousand, seventy-three".

Divisors: 1 13 140452621 1825884073