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8164195 = 5132343127
BaseRepresentation
bin11111001001001101100011
3120100210011121
4133021031203
54042223240
6450553111
7126252214
oct37111543
916323147
108164195
114676976
122898797
1318cb0b0
14112740b
15ab404a
hex7c9363

8164195 has 32 divisors (see below), whose sum is σ = 11354112. Its totient is φ = 5588352.

The previous prime is 8164183. The next prime is 8164201. The reversal of 8164195 is 5914618.

It is a cyclic number.

It is not a de Polignac number, because 8164195 - 213 = 8156003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8164195.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 64222 + ... + 64348.

It is an arithmetic number, because the mean of its divisors is an integer number (354816).

Almost surely, 28164195 is an apocalyptic number.

8164195 is a deficient number, since it is larger than the sum of its proper divisors (3189917).

8164195 is a wasteful number, since it uses less digits than its factorization.

8164195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

The product of its digits is 8640, while the sum is 34.

The square root of 8164195 is about 2857.3055489394. The cubic root of 8164195 is about 201.3590358568.

The spelling of 8164195 in words is "eight million, one hundred sixty-four thousand, one hundred ninety-five".

Divisors: 1 5 13 23 43 65 115 127 215 299 559 635 989 1495 1651 2795 2921 4945 5461 8255 12857 14605 27305 37973 64285 70993 125603 189865 354965 628015 1632839 8164195