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1825041031 = 11891864189
BaseRepresentation
bin110110011000111…
…1110101010000111
311201012010200122021
41230301332222013
512214202303111
6501032544011
763140410222
oct15461765207
94635120567
101825041031
11857208380
1242b252007
13231149b48
141345545b9
15aa352d71
hex6cc7ea87

1825041031 has 8 divisors (see below), whose sum is σ = 2013325200. Its totient is φ = 1640485440.

The previous prime is 1825041011. The next prime is 1825041047. The reversal of 1825041031 is 1301405281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1825041031 - 25 = 1825040999 is a prime.

It is a super-2 number, since 2×18250410312 = 6661549529667085922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1825040987 and 1825041005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825041011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931116 + ... + 933073.

It is an arithmetic number, because the mean of its divisors is an integer number (251665650).

Almost surely, 21825041031 is an apocalyptic number.

1825041031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1825041031 is a deficient number, since it is larger than the sum of its proper divisors (188284169).

1825041031 is a wasteful number, since it uses less digits than its factorization.

1825041031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864289.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1825041031 is about 42720.4989554195. The cubic root of 1825041031 is about 1222.0553526696.

The spelling of 1825041031 in words is "one billion, eight hundred twenty-five million, forty-one thousand, thirty-one".

Divisors: 1 11 89 979 1864189 20506079 165912821 1825041031