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147803897 is a prime number
BaseRepresentation
bin10001100111101…
…00111011111001
3101022010012211102
420303310323321
5300314211042
622355541145
73443212103
oct1063647371
9338105742
10147803897
117648228a
12415ba7b5
1324810437
14158b6573
15ce98b32
hex8cf4ef9

147803897 has 2 divisors, whose sum is σ = 147803898. Its totient is φ = 147803896.

The previous prime is 147803881. The next prime is 147803917. The reversal of 147803897 is 798308741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91087936 + 56715961 = 9544^2 + 7531^2 .

It is a cyclic number.

It is not a de Polignac number, because 147803897 - 24 = 147803881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (147803597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73901948 + 73901949.

It is an arithmetic number, because the mean of its divisors is an integer number (73901949).

Almost surely, 2147803897 is an apocalyptic number.

It is an amenable number.

147803897 is a deficient number, since it is larger than the sum of its proper divisors (1).

147803897 is an equidigital number, since it uses as much as digits as its factorization.

147803897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 147803897 is about 12157.4626053301. The cubic root of 147803897 is about 528.7235176486.

The spelling of 147803897 in words is "one hundred forty-seven million, eight hundred three thousand, eight hundred ninety-seven".