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80025823 is a prime number
BaseRepresentation
bin1001100010100…
…01100011011111
312120120201210101
410301101203133
5130441311243
611535121531
71661131303
oct461214337
9176521711
1080025823
1141199649
12229732a7
131376c077
14a8b1d03
15705b54d
hex4c518df

80025823 has 2 divisors, whose sum is σ = 80025824. Its totient is φ = 80025822.

The previous prime is 80025797. The next prime is 80025871. The reversal of 80025823 is 32852008.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80025823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80025791 and 80025800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80025893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40012911 + 40012912.

It is an arithmetic number, because the mean of its divisors is an integer number (40012912).

Almost surely, 280025823 is an apocalyptic number.

80025823 is a deficient number, since it is larger than the sum of its proper divisors (1).

80025823 is an equidigital number, since it uses as much as digits as its factorization.

80025823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 80025823 is about 8945.7153431126. The cubic root of 80025823 is about 430.9332946581.

The spelling of 80025823 in words is "eighty million, twenty-five thousand, eight hundred twenty-three".