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471799969 is a prime number
BaseRepresentation
bin11100000111110…
…001100010100001
31012212202220212221
4130013301202201
51431240044334
6114452151041
714456143054
oct3407614241
91185686787
10471799969
11222356333
12112008481
13769904a4
1446934a9b
152b6478b4
hex1c1f18a1

471799969 has 2 divisors, whose sum is σ = 471799970. Its totient is φ = 471799968.

The previous prime is 471799967. The next prime is 471800033. The reversal of 471799969 is 969997174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429028369 + 42771600 = 20713^2 + 6540^2 .

It is a cyclic number.

It is not a de Polignac number, because 471799969 - 21 = 471799967 is a prime.

It is a super-2 number, since 2×4717999692 = 445190421496801922, which contains 22 as substring.

Together with 471799967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (471799967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235899984 + 235899985.

It is an arithmetic number, because the mean of its divisors is an integer number (235899985).

Almost surely, 2471799969 is an apocalyptic number.

It is an amenable number.

471799969 is a deficient number, since it is larger than the sum of its proper divisors (1).

471799969 is an equidigital number, since it uses as much as digits as its factorization.

471799969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7715736, while the sum is 61.

The square root of 471799969 is about 21720.9569080186. The cubic root of 471799969 is about 778.4892789377.

The spelling of 471799969 in words is "four hundred seventy-one million, seven hundred ninety-nine thousand, nine hundred sixty-nine".