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108800645 = 5169312853
BaseRepresentation
bin1100111110000…
…10101010000101
321120201122102112
412133002222011
5210323110040
614443550405
72460535022
oct637025205
9246648375
10108800645
1156462598
123052b405
13197054a5
1410642549
159842365
hex67c2a85

108800645 has 8 divisors (see below), whose sum is σ = 130648056. Its totient is φ = 86982336.

The previous prime is 108800641. The next prime is 108800647. The reversal of 108800645 is 546008801.

It can be written as a sum of positive squares in 4 ways, for example, as 1760929 + 107039716 = 1327^2 + 10346^2 .

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 108800645 - 22 = 108800641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108800641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039 + ... + 14891.

It is an arithmetic number, because the mean of its divisors is an integer number (16331007).

Almost surely, 2108800645 is an apocalyptic number.

It is an amenable number.

108800645 is a deficient number, since it is larger than the sum of its proper divisors (21847411).

108800645 is a wasteful number, since it uses less digits than its factorization.

108800645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14551.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 108800645 is about 10430.7547665545. The cubic root of 108800645 is about 477.3942201473.

The spelling of 108800645 in words is "one hundred eight million, eight hundred thousand, six hundred forty-five".

Divisors: 1 5 1693 8465 12853 64265 21760129 108800645