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108442463 = 199544937
BaseRepresentation
bin1100111011010…
…11001101011111
321120001110002112
412131223031133
5210230124323
614432144235
72454513533
oct635531537
9246043075
10108442463
1156238478
123039807b
131960b44c
141058bbc3
1597c1178
hex676b35f

108442463 has 4 divisors (see below), whose sum is σ = 108987600. Its totient is φ = 107897328.

The previous prime is 108442459. The next prime is 108442469. The reversal of 108442463 is 364244801.

108442463 is nontrivially palindromic in base 3.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364244801 = 1919170779.

It is a cyclic number.

It is not a de Polignac number, because 108442463 - 22 = 108442459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108442469) 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, 272270 + ... + 272667.

It is an arithmetic number, because the mean of its divisors is an integer number (27246900).

Almost surely, 2108442463 is an apocalyptic number.

108442463 is a deficient number, since it is larger than the sum of its proper divisors (545137).

108442463 is an equidigital number, since it uses as much as digits as its factorization.

108442463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545136.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 108442463 is about 10413.5710973710. The cubic root of 108442463 is about 476.8697685894.

The spelling of 108442463 in words is "one hundred eight million, four hundred forty-two thousand, four hundred sixty-three".

Divisors: 1 199 544937 108442463