Search a number
-
+
107376809 = 198963499
BaseRepresentation
bin1100110011001…
…11000010101001
321111001022021212
412121213002221
5204442024214
614353242505
72442454631
oct631470251
9244038255
10107376809
115567a871
122bb63435
1319327397
14103916c1
15966053e
hex66670a9

107376809 has 8 divisors (see below), whose sum is σ = 114300000. Its totient is φ = 100580832.

The previous prime is 107376803. The next prime is 107376817. The reversal of 107376809 is 908673701.

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

It is a de Polignac number, because none of the positive numbers 2k-107376809 is a prime.

It is a super-2 number, since 2×1073768092 = 23059558222044962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107376803) 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 7 ways as a sum of consecutive naturals, for example, 30059 + ... + 33440.

It is an arithmetic number, because the mean of its divisors is an integer number (14287500).

Almost surely, 2107376809 is an apocalyptic number.

107376809 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

107376809 is a deficient number, since it is larger than the sum of its proper divisors (6923191).

107376809 is an equidigital number, since it uses as much as digits as its factorization.

107376809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63607.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 107376809 is about 10362.2781761541. The cubic root of 107376809 is about 475.3025721347.

The spelling of 107376809 in words is "one hundred seven million, three hundred seventy-six thousand, eight hundred nine".

Divisors: 1 19 89 1691 63499 1206481 5651411 107376809