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8450845 = 513273137
BaseRepresentation
bin100000001111…
…001100011101
3120220100101021
4200033030131
54130411340
6501044141
7131555014
oct40171435
916810337
108450845
114852277
1229b6651
13199b700
14119da7b
15b1de4a
hex80f31d

8450845 has 24 divisors (see below), whose sum is σ = 11212776. Its totient is φ = 6110208.

The previous prime is 8450809. The next prime is 8450857. The reversal of 8450845 is 5480548.

It can be written as a sum of positive squares in 12 ways, for example, as 4149369 + 4301476 = 2037^2 + 2074^2 .

It is not a de Polignac number, because 8450845 - 213 = 8442653 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8450845.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 61617 + ... + 61753.

It is an arithmetic number, because the mean of its divisors is an integer number (467199).

Almost surely, 28450845 is an apocalyptic number.

It is an amenable number.

8450845 is a deficient number, since it is larger than the sum of its proper divisors (2761931).

8450845 is a wasteful number, since it uses less digits than its factorization.

8450845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 8450845 is about 2907.0337115348. The cubic root of 8450845 is about 203.6885947920.

The spelling of 8450845 in words is "eight million, four hundred fifty thousand, eight hundred forty-five".

Divisors: 1 5 13 65 73 137 169 365 685 845 949 1781 4745 8905 10001 12337 23153 50005 61685 115765 130013 650065 1690169 8450845