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108478313 = 61229153
BaseRepresentation
bin1100111011100…
…11111101101001
321120010021021022
412131303331221
5210232301223
614433022225
72455023206
oct635637551
9246107238
10108478313
11562623a9
12303b4975
1319621868
141059acad
1597cbac8
hex6773f69

108478313 has 6 divisors (see below), whose sum is σ = 110289582. Its totient is φ = 106696320.

The previous prime is 108478291. The next prime is 108478361. The reversal of 108478313 is 313874801.

It can be written as a sum of positive squares in 3 ways, for example, as 28858384 + 79619929 = 5372^2 + 8923^2 .

It is not a de Polignac number, because 108478313 - 28 = 108478057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108478213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10856 + ... + 18297.

It is an arithmetic number, because the mean of its divisors is an integer number (18381597).

Almost surely, 2108478313 is an apocalyptic number.

It is an amenable number.

108478313 is a deficient number, since it is larger than the sum of its proper divisors (1811269).

108478313 is an frugal number, since it uses more digits than its factorization.

108478313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29275 (or 29214 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 108478313 is about 10415.2922666625. The cubic root of 108478313 is about 476.9223122676.

It can be divided in two parts, 1084 and 78313, that added together give a palindrome (79397).

The spelling of 108478313 in words is "one hundred eight million, four hundred seventy-eight thousand, three hundred thirteen".

Divisors: 1 61 3721 29153 1778333 108478313