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80045219 is a prime number
BaseRepresentation
bin1001100010101…
…10010010100011
312120121201101202
410301112102203
5130442421334
611535351415
71661241662
oct461262243
9176551352
1080045219
1141202181
122298256b
1313777b47
14a8b8dd9
15706217e
hex4c564a3

80045219 has 2 divisors, whose sum is σ = 80045220. Its totient is φ = 80045218.

The previous prime is 80045177. The next prime is 80045239. The reversal of 80045219 is 91254008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80045219 - 212 = 80041123 is a prime.

It is a super-2 number, since 2×800452192 = 12814474169515922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80045191 and 80045200.

It is not a weakly prime, because it can be changed into another prime (80045239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40022609 + 40022610.

It is an arithmetic number, because the mean of its divisors is an integer number (40022610).

Almost surely, 280045219 is an apocalyptic number.

80045219 is a deficient number, since it is larger than the sum of its proper divisors (1).

80045219 is an equidigital number, since it uses as much as digits as its factorization.

80045219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 80045219 is about 8946.7993718424. The cubic root of 80045219 is about 430.9681072002.

The spelling of 80045219 in words is "eighty million, forty-five thousand, two hundred nineteen".