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270824 = 2397349
BaseRepresentation
bin1000010000111101000
3111202111112
41002013220
532131244
65445452
72205401
oct1020750
9452445
10270824
11175524
12110888
1396368
14709a8
155539e
hex421e8

270824 has 16 divisors (see below), whose sum is σ = 514500. Its totient is φ = 133632.

The previous prime is 270821. The next prime is 270833. The reversal of 270824 is 428072.

Added to its reverse (428072) it gives a square (698896 = 8362).

It can be written as a sum of positive squares in 2 ways, for example, as 268324 + 2500 = 518^2 + 50^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 270824.

It is not an unprimeable number, because it can be changed into a prime (270821) 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 in 3 ways as a sum of consecutive naturals, for example, 602 + ... + 950.

2270824 is an apocalyptic number.

It is an amenable number.

270824 is a deficient number, since it is larger than the sum of its proper divisors (243676).

270824 is a wasteful number, since it uses less digits than its factorization.

270824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 270824 is about 520.4075326127. The cubic root of 270824 is about 64.6987240825.

Adding to 270824 its reverse (428072), we get a palindrome (698896).

The spelling of 270824 in words is "two hundred seventy thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 97 194 349 388 698 776 1396 2792 33853 67706 135412 270824