Search a number
-
+
107838899 = 7149103393
BaseRepresentation
bin1100110110101…
…11110110110011
321111220210011022
412123113312303
5210101321044
614411210055
72446421060
oct633276663
9244823138
10107838899
1155965a63
123014692b
13194597cc
1410471c67
1597023ee
hex66d7db3

107838899 has 8 divisors (see below), whose sum is σ = 124072800. Its totient is φ = 91812096.

The previous prime is 107838859. The next prime is 107838917. The reversal of 107838899 is 998838701.

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 107838899 - 220 = 106790323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107838899.

It is not an unprimeable number, because it can be changed into a prime (107838839) 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, 50654 + ... + 52739.

It is an arithmetic number, because the mean of its divisors is an integer number (15509100).

Almost surely, 2107838899 is an apocalyptic number.

107838899 is a deficient number, since it is larger than the sum of its proper divisors (16233901).

107838899 is a wasteful number, since it uses less digits than its factorization.

107838899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103549.

The product of its (nonzero) digits is 870912, while the sum is 53.

The square root of 107838899 is about 10384.5509772931. The cubic root of 107838899 is about 475.9834089620.

The spelling of 107838899 in words is "one hundred seven million, eight hundred thirty-eight thousand, eight hundred ninety-nine".

Divisors: 1 7 149 1043 103393 723751 15405557 107838899