Search a number
-
+
298155 = 351113139
BaseRepresentation
bin1001000110010101011
3120010222210
41020302223
534020110
610220203
72351154
oct1106253
9503883
10298155
11194010
12124663
13a5930
147a92b
155d520
hex48cab

298155 has 32 divisors (see below), whose sum is σ = 564480. Its totient is φ = 132480.

The previous prime is 298153. The next prime is 298157. The reversal of 298155 is 551892.

It is an interprime number because it is at equal distance from previous prime (298153) and next prime (298157).

It is not a de Polignac number, because 298155 - 21 = 298153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2076 + ... + 2214.

It is an arithmetic number, because the mean of its divisors is an integer number (17640).

2298155 is an apocalyptic number.

298155 is a deficient number, since it is larger than the sum of its proper divisors (266325).

298155 is a wasteful number, since it uses less digits than its factorization.

298155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171.

The product of its digits is 3600, while the sum is 30.

The square root of 298155 is about 546.0357131177. The cubic root of 298155 is about 66.8057789591.

The spelling of 298155 in words is "two hundred ninety-eight thousand, one hundred fifty-five".

Divisors: 1 3 5 11 13 15 33 39 55 65 139 143 165 195 417 429 695 715 1529 1807 2085 2145 4587 5421 7645 9035 19877 22935 27105 59631 99385 298155