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109028127 = 3132795593
BaseRepresentation
bin1100111111110…
…10001100011111
321121011012110210
412133322030133
5210402400002
614452503503
72462503155
oct637721437
9247135423
10109028127
11565a849a
123061ab93
1319784bb0
14106a13d5
15988996c
hex67fa31f

109028127 has 8 divisors (see below), whose sum is σ = 156553264. Its totient is φ = 67094208.

The previous prime is 109028113. The next prime is 109028173. The reversal of 109028127 is 721820901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109028127 - 24 = 109028111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109028094 and 109028103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109028527) 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, 1397758 + ... + 1397835.

It is an arithmetic number, because the mean of its divisors is an integer number (19569158).

Almost surely, 2109028127 is an apocalyptic number.

109028127 is a deficient number, since it is larger than the sum of its proper divisors (47525137).

109028127 is a wasteful number, since it uses less digits than its factorization.

109028127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795609.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 109028127 is about 10441.6534610185. The cubic root of 109028127 is about 477.7267028370.

The spelling of 109028127 in words is "one hundred nine million, twenty-eight thousand, one hundred twenty-seven".

Divisors: 1 3 13 39 2795593 8386779 36342709 109028127