Search a number
-
+
109256078 = 2714611669
BaseRepresentation
bin1101000001100…
…01110110001110
321121120210011102
412200301312032
5210432143303
614501423102
72464442561
oct640616616
9247523142
10109256078
1156743788
123070aa92
1319834889
14107204d8
1598d2288
hex6831d8e

109256078 has 16 divisors (see below), whose sum is σ = 166652640. Its totient is φ = 53709600.

The previous prime is 109256071. The next prime is 109256087. The reversal of 109256078 is 870652901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109256071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64628 + ... + 66296.

It is an arithmetic number, because the mean of its divisors is an integer number (10415790).

Almost surely, 2109256078 is an apocalyptic number.

109256078 is a deficient number, since it is larger than the sum of its proper divisors (57396562).

109256078 is a wasteful number, since it uses less digits than its factorization.

109256078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 109256078 is about 10452.5632263096. The cubic root of 109256078 is about 478.0594074258.

The spelling of 109256078 in words is "one hundred nine million, two hundred fifty-six thousand, seventy-eight".

Divisors: 1 2 71 142 461 922 1669 3338 32731 65462 118499 236998 769409 1538818 54628039 109256078