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108944642 = 254472321
BaseRepresentation
bin1100111111001…
…01110100000010
321120222221221202
412133211310002
5210342212032
614451021202
72462004602
oct637456402
9246887852
10108944642
11565507a4
123059a802
1319755bb1
141067cc02
15986ed62
hex67e5d02

108944642 has 4 divisors (see below), whose sum is σ = 163416966. Its totient is φ = 54472320.

The previous prime is 108944639. The next prime is 108944657. The reversal of 108944642 is 246449801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55785961 + 53158681 = 7469^2 + 7291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 108944596 and 108944605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27236159 + ... + 27236162.

Almost surely, 2108944642 is an apocalyptic number.

108944642 is a deficient number, since it is larger than the sum of its proper divisors (54472324).

108944642 is an equidigital number, since it uses as much as digits as its factorization.

108944642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54472323.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 108944642 is about 10437.6550048371. The cubic root of 108944642 is about 477.6047367629.

The spelling of 108944642 in words is "one hundred eight million, nine hundred forty-four thousand, six hundred forty-two".

Divisors: 1 2 54472321 108944642