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1828648 = 23228581
BaseRepresentation
bin110111110011100101000
310102220102201
412332130220
5432004043
6103105544
721354223
oct6763450
93386381
101828648
111039988
127422b4
134c0453
143585ba
15261c4d
hex1be728

1828648 has 8 divisors (see below), whose sum is σ = 3428730. Its totient is φ = 914320.

The previous prime is 1828637. The next prime is 1828649. The reversal of 1828648 is 8468281.

It can be written as a sum of positive squares in only one way, i.e., 1633284 + 195364 = 1278^2 + 442^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1828649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114283 + ... + 114298.

21828648 is an apocalyptic number.

It is an amenable number.

1828648 is a deficient number, since it is larger than the sum of its proper divisors (1600082).

1828648 is a wasteful number, since it uses less digits than its factorization.

1828648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228587 (or 228583 counting only the distinct ones).

The product of its digits is 24576, while the sum is 37.

The square root of 1828648 is about 1352.2751199368. The cubic root of 1828648 is about 122.2859903541.

The spelling of 1828648 in words is "one million, eight hundred twenty-eight thousand, six hundred forty-eight".

Divisors: 1 2 4 8 228581 457162 914324 1828648