Search a number
-
+
108463993 = 1182311981
BaseRepresentation
bin1100111011100…
…00011101111001
321120002112121221
412131300131321
5210231321433
614432432041
72454633361
oct635603571
9246075557
10108463993
1156252670
12303a8621
13196181a1
14105959a1
1597c772d
hex6770779

108463993 has 8 divisors (see below), whose sum is σ = 118478016. Its totient is φ = 98475600.

The previous prime is 108463991. The next prime is 108464003. The reversal of 108463993 is 399364801.

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 108463993 - 21 = 108463991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108463991) 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, 3063 + ... + 15043.

It is an arithmetic number, because the mean of its divisors is an integer number (14809752).

Almost surely, 2108463993 is an apocalyptic number.

It is an amenable number.

108463993 is a deficient number, since it is larger than the sum of its proper divisors (10014023).

108463993 is a wasteful number, since it uses less digits than its factorization.

108463993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 108463993 is about 10414.6047932699. The cubic root of 108463993 is about 476.9013254981.

The spelling of 108463993 in words is "one hundred eight million, four hundred sixty-three thousand, nine hundred ninety-three".

Divisors: 1 11 823 9053 11981 131791 9860363 108463993