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80471423 is a prime number
BaseRepresentation
bin1001100101111…
…10010101111111
312121102101001002
410302332111333
5131100041143
611552440515
71664665364
oct462762577
9177371032
1080471423
114147340a
1222b4913b
1313896b36
14a98a46b
1570e85b8
hex4cbe57f

80471423 has 2 divisors, whose sum is σ = 80471424. Its totient is φ = 80471422.

The previous prime is 80471407. The next prime is 80471431. The reversal of 80471423 is 32417408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80471423 - 24 = 80471407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80471453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40235711 + 40235712.

It is an arithmetic number, because the mean of its divisors is an integer number (40235712).

Almost surely, 280471423 is an apocalyptic number.

80471423 is a deficient number, since it is larger than the sum of its proper divisors (1).

80471423 is an equidigital number, since it uses as much as digits as its factorization.

80471423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 80471423 is about 8970.5865471551. The cubic root of 80471423 is about 431.7316559790.

It can be divided in two parts, 804 and 71423, that added together give a palindrome (72227).

The spelling of 80471423 in words is "eighty million, four hundred seventy-one thousand, four hundred twenty-three".