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80199293 is a prime number
BaseRepresentation
bin1001100011110…
…11111001111101
312120220112202012
410301323321331
5131012334133
611542541005
71662453116
oct461737175
9176815665
1080199293
11412a7a09
1222a37765
1313800005
14a91920d
157092b48
hex4c7be7d

80199293 has 2 divisors, whose sum is σ = 80199294. Its totient is φ = 80199292.

The previous prime is 80199283. The next prime is 80199341. The reversal of 80199293 is 39299108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49252324 + 30946969 = 7018^2 + 5563^2 .

It is a cyclic number.

It is not a de Polignac number, because 80199293 - 24 = 80199277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80199293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80199253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40099646 + 40099647.

It is an arithmetic number, because the mean of its divisors is an integer number (40099647).

Almost surely, 280199293 is an apocalyptic number.

It is an amenable number.

80199293 is a deficient number, since it is larger than the sum of its proper divisors (1).

80199293 is an equidigital number, since it uses as much as digits as its factorization.

80199293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 80199293 is about 8955.4057976174. The cubic root of 80199293 is about 431.2444444289.

The spelling of 80199293 in words is "eighty million, one hundred ninety-nine thousand, two hundred ninety-three".