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108928406 = 2192866537
BaseRepresentation
bin1100111111000…
…01110110010110
321120222010200102
412133201312112
5210341202111
614450414102
72461606346
oct637416626
9246863612
10108928406
115653a584
1230591332
131974b6a2
1410676d26
15986a13b
hex67e1d96

108928406 has 8 divisors (see below), whose sum is σ = 171992280. Its totient is φ = 51597648.

The previous prime is 108928403. The next prime is 108928411. The reversal of 108928406 is 604829801.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 2866537 = 108928406 / (1 + 0 + 8 + 9 + 2 + 8 + 4 + 0 + 6).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 108928406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108928403) 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, 1433231 + ... + 1433306.

It is an arithmetic number, because the mean of its divisors is an integer number (21499035).

Almost surely, 2108928406 is an apocalyptic number.

108928406 is a deficient number, since it is larger than the sum of its proper divisors (63063874).

108928406 is a wasteful number, since it uses less digits than its factorization.

108928406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866558.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 108928406 is about 10436.8772149528. The cubic root of 108928406 is about 477.5810098021.

The spelling of 108928406 in words is "one hundred eight million, nine hundred twenty-eight thousand, four hundred six".

Divisors: 1 2 19 38 2866537 5733074 54464203 108928406