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152849 = 353433
BaseRepresentation
bin100101010100010001
321202200002
4211110101
514342344
63135345
71204424
oct452421
9252602
10152849
11a4924
1274555
1354758
143d9bb
153044e
hex25511

152849 has 4 divisors (see below), whose sum is σ = 153636. Its totient is φ = 152064.

The previous prime is 152843. The next prime is 152851. The reversal of 152849 is 948251.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 948251 = 6714153.

It can be written as a sum of positive squares in 2 ways, for example, as 37249 + 115600 = 193^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 152849 - 24 = 152833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152843) 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, 137 + ... + 569.

It is an arithmetic number, because the mean of its divisors is an integer number (38409).

2152849 is an apocalyptic number.

It is an amenable number.

152849 is a deficient number, since it is larger than the sum of its proper divisors (787).

152849 is an equidigital number, since it uses as much as digits as its factorization.

152849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786.

The product of its digits is 2880, while the sum is 29.

The square root of 152849 is about 390.9590771424. The cubic root of 152849 is about 53.4672113993.

It can be divided in two parts, 152 and 849, that added together give a palindrome (1001).

The spelling of 152849 in words is "one hundred fifty-two thousand, eight hundred forty-nine".

Divisors: 1 353 433 152849