Search a number
-
+
288136 = 2336017
BaseRepresentation
bin1000110010110001000
3112122020201
41012112020
533210021
610101544
72310022
oct1062610
9478221
10288136
11187532
1211a8b4
13a11c4
1477012
155a591
hex46588

288136 has 8 divisors (see below), whose sum is σ = 540270. Its totient is φ = 144064.

The previous prime is 288109. The next prime is 288137. The reversal of 288136 is 631882.

It can be written as a sum of positive squares in only one way, i.e., 244036 + 44100 = 494^2 + 210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 22 + 84 + 1 + 84 + 3 + 67 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18001 + ... + 18016.

2288136 is an apocalyptic number.

It is an amenable number.

288136 is a deficient number, since it is larger than the sum of its proper divisors (252134).

288136 is a wasteful number, since it uses less digits than its factorization.

288136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36023 (or 36019 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 288136 is about 536.7830101633. The cubic root of 288136 is about 66.0489382982.

It can be divided in two parts, 288 and 136, that added together give a palindrome (424).

The spelling of 288136 in words is "two hundred eighty-eight thousand, one hundred thirty-six".

Divisors: 1 2 4 8 36017 72034 144068 288136