Search a number
-
+
298023 = 3112821
BaseRepresentation
bin1001000110000100111
3120010210220
41020300213
534014043
610215423
72350605
oct1106047
9503726
10298023
11193a00
12124573
13a585b
147a875
155d483
hex48c27

298023 has 12 divisors (see below), whose sum is σ = 437304. Its totient is φ = 180400.

The previous prime is 298021. The next prime is 298031. The reversal of 298023 is 320892.

It is not a de Polignac number, because 298023 - 21 = 298021 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 297984 and 298002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298021) 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, 48 + ... + 773.

It is an arithmetic number, because the mean of its divisors is an integer number (36442).

2298023 is an apocalyptic number.

298023 is a deficient number, since it is larger than the sum of its proper divisors (139281).

298023 is a wasteful number, since it uses less digits than its factorization.

298023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 298023 is about 545.9148285218. The cubic root of 298023 is about 66.7959186912.

It can be divided in two parts, 2980 and 23, that added together give a palindrome (3003).

The spelling of 298023 in words is "two hundred ninety-eight thousand, twenty-three".

Divisors: 1 3 11 33 121 363 821 2463 9031 27093 99341 298023