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985469 = 1099041
BaseRepresentation
bin11110000100101111101
31212001210212
43300211331
5223013334
633042205
711243042
oct3604575
91761725
10985469
11613441
123b6365
13286724
141b91c9
15146ece
hexf097d

985469 has 4 divisors (see below), whose sum is σ = 994620. Its totient is φ = 976320.

The previous prime is 985463. The next prime is 985471. The reversal of 985469 is 964589.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 879844 + 105625 = 938^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 985469 - 28 = 985213 is a prime.

It is a super-2 number, since 2×9854692 = 1942298299922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 985469.

It is not an unprimeable number, because it can be changed into a prime (985463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4412 + ... + 4629.

It is an arithmetic number, because the mean of its divisors is an integer number (248655).

2985469 is an apocalyptic number.

It is an amenable number.

985469 is a deficient number, since it is larger than the sum of its proper divisors (9151).

985469 is a wasteful number, since it uses less digits than its factorization.

985469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150.

The product of its digits is 77760, while the sum is 41.

The square root of 985469 is about 992.7079127316. The cubic root of 985469 is about 99.5132680976.

Subtracting from 985469 its product of digits (77760), we obtain a palindrome (907709).

The spelling of 985469 in words is "nine hundred eighty-five thousand, four hundred sixty-nine".

Divisors: 1 109 9041 985469