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997195 = 553271
BaseRepresentation
bin11110011011101001011
31212122220011
43303131023
5223402240
633212351
711322163
oct3633513
91778804
10997195
11621231
124010b7
1328bb74
141bd5a3
1514a6ea
hexf374b

997195 has 12 divisors (see below), whose sum is σ = 1236816. Its totient is φ = 771680.

The previous prime is 997163. The next prime is 997201. The reversal of 997195 is 591799.

It is not a de Polignac number, because 997195 - 25 = 997163 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 14010 + ... + 14080.

It is an arithmetic number, because the mean of its divisors is an integer number (103068).

2997195 is an apocalyptic number.

997195 is a deficient number, since it is larger than the sum of its proper divisors (239621).

997195 is an equidigital number, since it uses as much as digits as its factorization.

997195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 129 counting only the distinct ones).

The product of its digits is 25515, while the sum is 40.

The square root of 997195 is about 998.5965151151. The cubic root of 997195 is about 99.9064124410.

The spelling of 997195 in words is "nine hundred ninety-seven thousand, one hundred ninety-five".

Divisors: 1 5 53 71 265 355 2809 3763 14045 18815 199439 997195