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8495473 = 72281617
BaseRepresentation
bin100000011010…
…000101110001
3120222121121011
4200122011301
54133323343
6502030521
7132132100
oct40320561
916877534
108495473
114882858
122a18441
1319b5b0c
1411b2037
15b2c29d
hex81a171

8495473 has 12 divisors (see below), whose sum is σ = 9933732. Its totient is φ = 7244160.

The previous prime is 8495471. The next prime is 8495477. The reversal of 8495473 is 3745948.

It can be written as a sum of positive squares in 2 ways, for example, as 2458624 + 6036849 = 1568^2 + 2457^2 .

It is not a de Polignac number, because 8495473 - 21 = 8495471 is a prime.

It is a super-2 number, since 2×84954732 = 144346122987458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8495471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13461 + ... + 14077.

It is an arithmetic number, because the mean of its divisors is an integer number (827811).

Almost surely, 28495473 is an apocalyptic number.

It is an amenable number.

8495473 is a deficient number, since it is larger than the sum of its proper divisors (1438259).

8495473 is a wasteful number, since it uses less digits than its factorization.

8495473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 905 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 8495473 is about 2914.6994699282. The cubic root of 8495473 is about 204.0465179705.

The spelling of 8495473 in words is "eight million, four hundred ninety-five thousand, four hundred seventy-three".

Divisors: 1 7 49 281 617 1967 4319 13769 30233 173377 1213639 8495473