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2028236 = 227174261
BaseRepresentation
bin111101111001011001100
310211001012212
413233023030
51004400421
6111245552
723145140
oct7571314
93731185
102028236
111165931
128198b8
13560252
143ab220
152a0e5b
hex1ef2cc

2028236 has 24 divisors (see below), whose sum is σ = 4296096. Its totient is φ = 817920.

The previous prime is 2028227. The next prime is 2028239. The reversal of 2028236 is 6328202.

It is a super-2 number, since 2×20282362 = 8227482543392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2028239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1655 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (179004).

22028236 is an apocalyptic number.

It is an amenable number.

2028236 is an abundant number, since it is smaller than the sum of its proper divisors (2267860).

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

2028236 is a wasteful number, since it uses less digits than its factorization.

2028236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289 (or 4287 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2028236 is about 1424.1615076950. The cubic root of 2028236 is about 126.5822552407.

The spelling of 2028236 in words is "two million, twenty-eight thousand, two hundred thirty-six".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 4261 8522 17044 29827 59654 72437 119308 144874 289748 507059 1014118 2028236