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2028304 = 24177457
BaseRepresentation
bin111101111001100010000
310211001022101
413233030100
51004401204
6111250144
723145265
oct7571420
93731271
102028304
111165993
12819954
135602a5
143ab26c
152a0ea4
hex1ef310

2028304 has 20 divisors (see below), whose sum is σ = 4161564. Its totient is φ = 954368.

The previous prime is 2028293. The next prime is 2028319. The reversal of 2028304 is 4038202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1106704 + 921600 = 1052^2 + 960^2 .

It is a super-2 number, since 2×20283042 = 8228034232832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3457 + ... + 4000.

22028304 is an apocalyptic number.

It is an amenable number.

2028304 is an abundant number, since it is smaller than the sum of its proper divisors (2133260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2028304 is a wasteful number, since it uses less digits than its factorization.

2028304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7482 (or 7476 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2028304 is about 1424.1853811916. The cubic root of 2028304 is about 126.5836698520.

It can be divided in two parts, 2028 and 304, that added together give a palindrome (2332).

The spelling of 2028304 in words is "two million, twenty-eight thousand, three hundred four".

Divisors: 1 2 4 8 16 17 34 68 136 272 7457 14914 29828 59656 119312 126769 253538 507076 1014152 2028304