Search a number
-
+
872493 = 3337863
BaseRepresentation
bin11010101000000101101
31122022211120
43111000231
5210404433
630411153
710262466
oct3250055
91568746
10872493
11546576
12360ab9
1324718b
14189d6d
151237b3
hexd502d

872493 has 8 divisors (see below), whose sum is σ = 1168128. Its totient is φ = 579264.

The previous prime is 872479. The next prime is 872533. The reversal of 872493 is 394278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 872493 - 24 = 872477 is a prime.

It is a super-2 number, since 2×8724932 = 1522488070098, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 85 + 72 + 42 + 217 + 96 + 311 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580 + ... + 1442.

It is an arithmetic number, because the mean of its divisors is an integer number (146016).

2872493 is an apocalyptic number.

It is an amenable number.

872493 is a deficient number, since it is larger than the sum of its proper divisors (295635).

872493 is a wasteful number, since it uses less digits than its factorization.

872493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203.

The product of its digits is 12096, while the sum is 33.

The square root of 872493 is about 934.0733375919. The cubic root of 872493 is about 95.5551247402. Note that the first 3 decimals are identical.

The spelling of 872493 in words is "eight hundred seventy-two thousand, four hundred ninety-three".

Divisors: 1 3 337 863 1011 2589 290831 872493