Search a number
-
+
109179474 = 23174126107
BaseRepresentation
bin1101000000111…
…11001001010010
321121102220002020
412200133021102
5210422220344
614500032310
72464003335
oct640371122
9247386066
10109179474
11566a1178
1230692696
1319808a51
141070061c
1598b9719
hex681f252

109179474 has 32 divisors (see below), whose sum is σ = 236851776. Its totient is φ = 33415680.

The previous prime is 109179467. The next prime is 109179479. The reversal of 109179474 is 474971901.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109179479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8872 + ... + 17235.

It is an arithmetic number, because the mean of its divisors is an integer number (7401618).

Almost surely, 2109179474 is an apocalyptic number.

109179474 is an abundant number, since it is smaller than the sum of its proper divisors (127672302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109179474 is a wasteful number, since it uses less digits than its factorization.

109179474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26170.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 109179474 is about 10448.8982194296. The cubic root of 109179474 is about 477.9476521632.

The spelling of 109179474 in words is "one hundred nine million, one hundred seventy-nine thousand, four hundred seventy-four".

Divisors: 1 2 3 6 17 34 41 51 82 102 123 246 697 1394 2091 4182 26107 52214 78321 156642 443819 887638 1070387 1331457 2140774 2662914 3211161 6422322 18196579 36393158 54589737 109179474