Search a number
-
+
108545146 = 254272573
BaseRepresentation
bin1100111100001…
…00010001111010
321120020122221121
412132010101322
5210241421041
614434255454
72455422103
oct636042172
9246218847
10108545146
11562a8636
123042758a
13196460c8
14105b73aa
1597e17d1
hex678447a

108545146 has 4 divisors (see below), whose sum is σ = 162817722. Its totient is φ = 54272572.

The previous prime is 108545141. The next prime is 108545149. The reversal of 108545146 is 641545801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 97911025 + 10634121 = 9895^2 + 3261^2 .

It is a super-2 number, since 2×1085451462 = 23564097440322632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108545141) 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 as a sum of consecutive naturals, namely, 27136285 + ... + 27136288.

Almost surely, 2108545146 is an apocalyptic number.

108545146 is a deficient number, since it is larger than the sum of its proper divisors (54272576).

108545146 is an equidigital number, since it uses as much as digits as its factorization.

108545146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54272575.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 108545146 is about 10418.5001799683. The cubic root of 108545146 is about 477.0202353898.

The spelling of 108545146 in words is "one hundred eight million, five hundred forty-five thousand, one hundred forty-six".

Divisors: 1 2 54272573 108545146