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108422801 = 181599021
BaseRepresentation
bin1100111011001…
…10011010010001
321120000110010022
412131212122101
5210224012201
614431513225
72454402314
oct635463221
9246013108
10108422801
1156224723
1230388815
1319602506
141058497b
1597ba41b
hex6766691

108422801 has 4 divisors (see below), whose sum is σ = 109022004. Its totient is φ = 107823600.

The previous prime is 108422771. The next prime is 108422827. The reversal of 108422801 is 108224801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108224801 = 891216009.

It can be written as a sum of positive squares in 2 ways, for example, as 28302400 + 80120401 = 5320^2 + 8951^2 .

It is a cyclic number.

It is not a de Polignac number, because 108422801 - 210 = 108421777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108422401) 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, 299330 + ... + 299691.

It is an arithmetic number, because the mean of its divisors is an integer number (27255501).

Almost surely, 2108422801 is an apocalyptic number.

It is an amenable number.

108422801 is a deficient number, since it is larger than the sum of its proper divisors (599203).

108422801 is an equidigital number, since it uses as much as digits as its factorization.

108422801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599202.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 108422801 is about 10412.6269980250. The cubic root of 108422801 is about 476.8409459927.

The spelling of 108422801 in words is "one hundred eight million, four hundred twenty-two thousand, eight hundred one".

Divisors: 1 181 599021 108422801