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20076425 = 52803057
BaseRepresentation
bin100110010010…
…1011110001001
31101202222200022
41030211132021
520114421200
61554150225
7332434565
oct114453611
941688608
1020076425
1110372796
126882375
13420c155
1429486a5
151b68885
hex1325789

20076425 has 6 divisors (see below), whose sum is σ = 24894798. Its totient is φ = 16061120.

The previous prime is 20076421. The next prime is 20076449. The reversal of 20076425 is 52467002.

It can be written as a sum of positive squares in 3 ways, for example, as 3948169 + 16128256 = 1987^2 + 4016^2 .

It is not a de Polignac number, because 20076425 - 22 = 20076421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20076394 and 20076403.

It is not an unprimeable number, because it can be changed into a prime (20076421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401504 + ... + 401553.

It is an arithmetic number, because the mean of its divisors is an integer number (4149133).

Almost surely, 220076425 is an apocalyptic number.

20076425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20076425 is a deficient number, since it is larger than the sum of its proper divisors (4818373).

20076425 is an equidigital number, since it uses as much as digits as its factorization.

20076425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803067 (or 803062 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20076425 is about 4480.6723825783. The cubic root of 20076425 is about 271.7870711382.

The spelling of 20076425 in words is "twenty million, seventy-six thousand, four hundred twenty-five".

Divisors: 1 5 25 803057 4015285 20076425