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80231677 is a prime number
BaseRepresentation
bin1001100100000…
…11110011111101
312120222012011121
410302003303331
5131014403202
611543350541
71662646411
oct462036375
9176865147
1080231677
114131a279
1222a52451
1313811986
14a926d41
15709c537
hex4c83cfd

80231677 has 2 divisors, whose sum is σ = 80231678. Its totient is φ = 80231676.

The previous prime is 80231663. The next prime is 80231713. The reversal of 80231677 is 77613208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78659161 + 1572516 = 8869^2 + 1254^2 .

It is a cyclic number.

It is not a de Polignac number, because 80231677 - 223 = 71843069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80231617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40115838 + 40115839.

It is an arithmetic number, because the mean of its divisors is an integer number (40115839).

Almost surely, 280231677 is an apocalyptic number.

It is an amenable number.

80231677 is a deficient number, since it is larger than the sum of its proper divisors (1).

80231677 is an equidigital number, since it uses as much as digits as its factorization.

80231677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 80231677 is about 8957.2136850697. The cubic root of 80231677 is about 431.3024812697.

It can be divided in two parts, 80231 and 677, that added together give a palindrome (80908).

The spelling of 80231677 in words is "eighty million, two hundred thirty-one thousand, six hundred seventy-seven".