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7266906 = 232403717
BaseRepresentation
bin11011101110001001011010
3111200012022200
4123232021122
53330020111
6415431030
7115524213
oct33561132
914605280
107266906
114113809
122525476
13167585a
14d7240a
15988256
hex6ee25a

7266906 has 12 divisors (see below), whose sum is σ = 15745002. Its totient is φ = 2422296.

The previous prime is 7266893. The next prime is 7266923. The reversal of 7266906 is 6096627.

It can be written as a sum of positive squares in only one way, i.e., 5716881 + 1550025 = 2391^2 + 1245^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201841 + ... + 201876.

Almost surely, 27266906 is an apocalyptic number.

7266906 is an abundant number, since it is smaller than the sum of its proper divisors (8478096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7266906 is a wasteful number, since it uses less digits than its factorization.

7266906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403725 (or 403722 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 7266906 is about 2695.7199409434. The cubic root of 7266906 is about 193.6941544217.

The spelling of 7266906 in words is "seven million, two hundred sixty-six thousand, nine hundred six".

Divisors: 1 2 3 6 9 18 403717 807434 1211151 2422302 3633453 7266906