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195038097 = 3197194759
BaseRepresentation
bin10111010000000…
…00101110010001
3111120222221222020
423220000232101
5344412204342
631204202053
74555540122
oct1350005621
9446887866
10195038097
11a0104011
1255399329
133153a977
141bc90049
15121c90ec
hexba00b91

195038097 has 16 divisors (see below), whose sum is σ = 274176000. Its totient is φ = 122984784.

The previous prime is 195038089. The next prime is 195038099. The reversal of 195038097 is 790830591.

It is a happy number.

It is not a de Polignac number, because 195038097 - 23 = 195038089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195038099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38604 + ... + 43362.

It is an arithmetic number, because the mean of its divisors is an integer number (17136000).

Almost surely, 2195038097 is an apocalyptic number.

It is an amenable number.

195038097 is a deficient number, since it is larger than the sum of its proper divisors (79137903).

195038097 is a wasteful number, since it uses less digits than its factorization.

195038097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 195038097 is about 13965.6040685679. The cubic root of 195038097 is about 579.9267614618.

The spelling of 195038097 in words is "one hundred ninety-five million, thirty-eight thousand, ninety-seven".

Divisors: 1 3 19 57 719 2157 4759 13661 14277 40983 90421 271263 3421721 10265163 65012699 195038097