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488788169 is a prime number
BaseRepresentation
bin11101001000100…
…101000011001001
31021001202000022112
4131020211003021
52000112210134
6120300232105
715053426252
oct3510450311
91231660275
10488788169
112309a9871
1211783b635
137a35aa8c
1448cb7b29
152cda11ce
hex1d2250c9

488788169 has 2 divisors, whose sum is σ = 488788170. Its totient is φ = 488788168.

The previous prime is 488788151. The next prime is 488788219. The reversal of 488788169 is 961887884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423824569 + 64963600 = 20587^2 + 8060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-488788169 is a prime.

It is a super-2 number, since 2×4887881692 = 477827748308745122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (488781169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244394084 + 244394085.

It is an arithmetic number, because the mean of its divisors is an integer number (244394085).

Almost surely, 2488788169 is an apocalyptic number.

It is an amenable number.

488788169 is a deficient number, since it is larger than the sum of its proper divisors (1).

488788169 is an equidigital number, since it uses as much as digits as its factorization.

488788169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6193152, while the sum is 59.

The square root of 488788169 is about 22108.5542041989. The cubic root of 488788169 is about 787.7230645159.

The spelling of 488788169 in words is "four hundred eighty-eight million, seven hundred eighty-eight thousand, one hundred sixty-nine".