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74849 = 29289
BaseRepresentation
bin10010010001100001
310210200012
4102101201
54343344
61334305
7431135
oct222141
9123605
1074849
1151265
1237395
13280b8
141d3c5
151729e
hex12461

74849 has 6 divisors (see below), whose sum is σ = 78390. Its totient is φ = 71456.

The previous prime is 74843. The next prime is 74857. The reversal of 74849 is 94847.

It is a happy number.

74849 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 3 ways, for example, as 4624 + 70225 = 68^2 + 265^2 .

It is not a de Polignac number, because 74849 - 212 = 70753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 797 + ... + 885.

It is an arithmetic number, because the mean of its divisors is an integer number (13065).

274849 is an apocalyptic number.

It is an amenable number.

74849 is a deficient number, since it is larger than the sum of its proper divisors (3541).

74849 is an equidigital number, since it uses as much as digits as its factorization.

74849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 118 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 74849 is about 273.5854528296. The cubic root of 74849 is about 42.1433123985.

It can be divided in two parts, 748 and 49, that added together give a palindrome (797).

The spelling of 74849 in words is "seventy-four thousand, eight hundred forty-nine".

Divisors: 1 29 89 841 2581 74849