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80254457 is a prime number
BaseRepresentation
bin1001100100010…
…01010111111001
312121000100102022
410302021113321
5131021120312
611544044225
71663103003
oct462112771
9177010368
1080254457
11413353a8
1222a63675
131381c15a
14a931373
1570a4172
hex4c895f9

80254457 has 2 divisors, whose sum is σ = 80254458. Its totient is φ = 80254456.

The previous prime is 80254453. The next prime is 80254477. The reversal of 80254457 is 75445208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80209936 + 44521 = 8956^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 80254457 - 22 = 80254453 is a prime.

It is a Chen prime.

It is equal to p4683356 and since 80254457 and 4683356 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (80254453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40127228 + 40127229.

It is an arithmetic number, because the mean of its divisors is an integer number (40127229).

Almost surely, 280254457 is an apocalyptic number.

It is an amenable number.

80254457 is a deficient number, since it is larger than the sum of its proper divisors (1).

80254457 is an equidigital number, since it uses as much as digits as its factorization.

80254457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 80254457 is about 8958.4851956120. The cubic root of 80254457 is about 431.3432969889.

Subtracting from 80254457 its reverse (75445208), we obtain a square (4809249 = 21932).

The spelling of 80254457 in words is "eighty million, two hundred fifty-four thousand, four hundred fifty-seven".