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108028407 = 336009469
BaseRepresentation
bin1100111000001…
…10000111110111
321112021102010010
412130012013313
5210123402112
614415231303
72451140424
oct634060767
9245242103
10108028407
1155a85383
1230218533
13194c4b46
14104c0d4b
15973d63c
hex67061f7

108028407 has 4 divisors (see below), whose sum is σ = 144037880. Its totient is φ = 72018936.

The previous prime is 108028379. The next prime is 108028409. The reversal of 108028407 is 704820801.

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

It is not a de Polignac number, because 108028407 - 26 = 108028343 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 (108028409) 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, 18004732 + ... + 18004737.

It is an arithmetic number, because the mean of its divisors is an integer number (36009470).

Almost surely, 2108028407 is an apocalyptic number.

108028407 is a deficient number, since it is larger than the sum of its proper divisors (36009473).

108028407 is an equidigital number, since it uses as much as digits as its factorization.

108028407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36009472.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 108028407 is about 10393.6714879777. The cubic root of 108028407 is about 476.2620649874.

The spelling of 108028407 in words is "one hundred eight million, twenty-eight thousand, four hundred seven".

Divisors: 1 3 36009469 108028407