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874089 = 321729197
BaseRepresentation
bin11010101011001101001
31122102000200
43111121221
5210432324
630422413
710300236
oct3253151
91572020
10874089
11547797
12361a09
13247b18
1418a78d
15123ec9
hexd5669

874089 has 24 divisors (see below), whose sum is σ = 1389960. Its totient is φ = 526848.

The previous prime is 874087. The next prime is 874091. The reversal of 874089 is 980478.

It is an interprime number because it is at equal distance from previous prime (874087) and next prime (874091).

It can be written as a sum of positive squares in 4 ways, for example, as 514089 + 360000 = 717^2 + 600^2 .

It is not a de Polignac number, because 874089 - 21 = 874087 is a prime.

It is an Ulam number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 874089.

It is not an unprimeable number, because it can be changed into a prime (874087) by changing a digit.

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, 4339 + ... + 4535.

It is an arithmetic number, because the mean of its divisors is an integer number (57915).

2874089 is an apocalyptic number.

It is an amenable number.

874089 is a deficient number, since it is larger than the sum of its proper divisors (515871).

874089 is a wasteful number, since it uses less digits than its factorization.

874089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 874089 is about 934.9272698986. The cubic root of 874089 is about 95.6133537015.

The spelling of 874089 in words is "eight hundred seventy-four thousand, eighty-nine".

Divisors: 1 3 9 17 29 51 87 153 197 261 493 591 1479 1773 3349 4437 5713 10047 17139 30141 51417 97121 291363 874089