Search a number
-
+
108031801 = 1071009643
BaseRepresentation
bin1100111000001…
…10111100111001
321112021120202211
412130012330321
5210124004201
614415255121
72451153343
oct634067471
9245246684
10108031801
1155a87989
123021a4a1
13194c6557
14104c2293
15973e651
hex6706f39

108031801 has 4 divisors (see below), whose sum is σ = 109041552. Its totient is φ = 107022052.

The previous prime is 108031783. The next prime is 108031813. The reversal of 108031801 is 108130801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 108031801 - 215 = 107999033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108031831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504715 + ... + 504928.

It is an arithmetic number, because the mean of its divisors is an integer number (27260388).

Almost surely, 2108031801 is an apocalyptic number.

It is an amenable number.

108031801 is a deficient number, since it is larger than the sum of its proper divisors (1009751).

108031801 is a wasteful number, since it uses less digits than its factorization.

108031801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009750.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 108031801 is about 10393.8347591252. The cubic root of 108031801 is about 476.2670526154.

The spelling of 108031801 in words is "one hundred eight million, thirty-one thousand, eight hundred one".

Divisors: 1 107 1009643 108031801