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8106407 = 193113763
BaseRepresentation
bin11110111011000110100111
3120020211220022
4132323012213
54033401112
6445425355
7125621561
oct36730647
916224808
108106407
114637511
12286b25b
1318aa9ba
141110331
15aa1d72
hex7bb1a7

8106407 has 8 divisors (see below), whose sum is σ = 8808960. Its totient is φ = 7431480.

The previous prime is 8106401. The next prime is 8106421. The reversal of 8106407 is 7046018.

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 8106407 - 24 = 8106391 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8106401) 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, 6293 + ... + 7470.

It is an arithmetic number, because the mean of its divisors is an integer number (1101120).

Almost surely, 28106407 is an apocalyptic number.

8106407 is a deficient number, since it is larger than the sum of its proper divisors (702553).

8106407 is a wasteful number, since it uses less digits than its factorization.

8106407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13813.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 8106407 is about 2847.1752668215. The cubic root of 8106407 is about 200.8828223894.

The spelling of 8106407 in words is "eight million, one hundred six thousand, four hundred seven".

Divisors: 1 19 31 589 13763 261497 426653 8106407