Search a number
-
+
109479859 = 7910113721
BaseRepresentation
bin1101000011010…
…00011110110011
321122000011010121
412201220132303
5211011323414
614510311111
72466364156
oct641503663
9248004117
10109479859
1156886925
12307b8497
13198b26a8
141077bc9d
159928724
hex68687b3

109479859 has 8 divisors (see below), whose sum is σ = 111971520. Its totient is φ = 107016000.

The previous prime is 109479857. The next prime is 109479871. The reversal of 109479859 is 958974901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109479859 - 21 = 109479857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109479857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119 + ... + 14839.

It is an arithmetic number, because the mean of its divisors is an integer number (13996440).

Almost surely, 2109479859 is an apocalyptic number.

109479859 is a deficient number, since it is larger than the sum of its proper divisors (2491661).

109479859 is a wasteful number, since it uses less digits than its factorization.

109479859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13901.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 109479859 is about 10463.2623497645. The cubic root of 109479859 is about 478.3855758706.

The spelling of 109479859 in words is "one hundred nine million, four hundred seventy-nine thousand, eight hundred fifty-nine".

Divisors: 1 79 101 7979 13721 1083959 1385821 109479859