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472120897 is a prime number
BaseRepresentation
bin11100001000111…
…111111001000001
31012220101020010011
4130020333321001
51431330332042
6114503104521
714461650523
oct3410777101
91186336104
10472120897
11222555466
12112142141
1376a735a1
14469b9a13
152b6aca17
hex1c23fe41

472120897 has 2 divisors, whose sum is σ = 472120898. Its totient is φ = 472120896.

The previous prime is 472120879. The next prime is 472120903. The reversal of 472120897 is 798021274.

Together with previous prime (472120879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419471361 + 52649536 = 20481^2 + 7256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-472120897 is a prime.

It is not a weakly prime, because it can be changed into another prime (472120807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236060448 + 236060449.

It is an arithmetic number, because the mean of its divisors is an integer number (236060449).

Almost surely, 2472120897 is an apocalyptic number.

It is an amenable number.

472120897 is a deficient number, since it is larger than the sum of its proper divisors (1).

472120897 is an equidigital number, since it uses as much as digits as its factorization.

472120897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 472120897 is about 21728.3431719954. The cubic root of 472120897 is about 778.6657537127.

The spelling of 472120897 in words is "four hundred seventy-two million, one hundred twenty thousand, eight hundred ninety-seven".