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8000906 = 231312781
BaseRepresentation
bin11110100001010110001010
3120001111011212
4132201112022
54022012111
6443253122
7125002154
oct36412612
916044155
108000906
114575221
12281a1a2
131871984
1410c3ad4
15a8098b
hex7a158a

8000906 has 8 divisors (see below), whose sum is σ = 12040644. Its totient is φ = 3987360.

The previous prime is 8000899. The next prime is 8000911. The reversal of 8000906 is 6090008.

It can be written as a sum of positive squares in 2 ways, for example, as 7590025 + 410881 = 2755^2 + 641^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5765 + ... + 7016.

Almost surely, 28000906 is an apocalyptic number.

8000906 is a deficient number, since it is larger than the sum of its proper divisors (4039738).

8000906 is a wasteful number, since it uses less digits than its factorization.

8000906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13096.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 8000906 is about 2828.5872798979. The cubic root of 8000906 is about 200.0075497150.

The spelling of 8000906 in words is "eight million, nine hundred six", and thus it is an aban number.

Divisors: 1 2 313 626 12781 25562 4000453 8000906