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814238848 = 276361241
BaseRepresentation
bin110000100010000…
…100110010000000
32002202010121201101
4300202010302000
53131421120343
6212443544144
726114626123
oct6042046200
92082117641
10814238848
11388686775
121a882b054
13cc8c9c47
147a1d43ba
154b73ae4d
hex30884c80

814238848 has 16 divisors (see below), whose sum is σ = 1622116710. Its totient is φ = 407119360.

The previous prime is 814238819. The next prime is 814238849. The reversal of 814238848 is 848832418.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 668119104 + 146119744 = 25848^2 + 12088^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 814238798 and 814238807.

It is not an unprimeable number, because it can be changed into a prime (814238849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3180493 + ... + 3180748.

Almost surely, 2814238848 is an apocalyptic number.

It is an amenable number.

814238848 is a deficient number, since it is larger than the sum of its proper divisors (807877862).

814238848 is an equidigital number, since it uses as much as digits as its factorization.

814238848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6361255 (or 6361243 counting only the distinct ones).

The product of its digits is 393216, while the sum is 46.

The square root of 814238848 is about 28534.8707373978. The cubic root of 814238848 is about 933.7929835705.

The spelling of 814238848 in words is "eight hundred fourteen million, two hundred thirty-eight thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 128 6361241 12722482 25444964 50889928 101779856 203559712 407119424 814238848