Search a number
-
+
109456505 = 5315911969
BaseRepresentation
bin1101000011000…
…10110001111001
321121221222002122
412201202301321
5211010102010
614510011025
72466236114
oct641426171
9247858078
10109456505
1156870324
12307a6a75
13198a4b82
141077357b
159921855
hex6862c79

109456505 has 16 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 83297280.

The previous prime is 109456483. The next prime is 109456507. The reversal of 109456505 is 505654901.

It is not a de Polignac number, because 109456505 - 216 = 109390969 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (109456507) 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 15 ways as a sum of consecutive naturals, for example, 3161 + ... + 15129.

It is an arithmetic number, because the mean of its divisors is an integer number (8618400).

Almost surely, 2109456505 is an apocalyptic number.

It is an amenable number.

109456505 is a deficient number, since it is larger than the sum of its proper divisors (28437895).

109456505 is a wasteful number, since it uses less digits than its factorization.

109456505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12064.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 109456505 is about 10462.1462903173. The cubic root of 109456505 is about 478.3515574026.

The spelling of 109456505 in words is "one hundred nine million, four hundred fifty-six thousand, five hundred five".

Divisors: 1 5 31 59 155 295 1829 9145 11969 59845 371039 706171 1855195 3530855 21891301 109456505