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2028008 = 23253501
BaseRepresentation
bin111101111000111101000
310211000220102
413233013220
51004344013
6111244532
723144363
oct7570750
93730812
102028008
111165744
12819748
13560108
143ab0da
152a0d58
hex1ef1e8

2028008 has 8 divisors (see below), whose sum is σ = 3802530. Its totient is φ = 1014000.

The previous prime is 2027959. The next prime is 2028017. The reversal of 2028008 is 8008202.

It can be written as a sum of positive squares in only one way, i.e., 1214404 + 813604 = 1102^2 + 902^2 .

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

It is a super-2 number, since 2×20280082 = 8225632896128, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 126743 + ... + 126758.

22028008 is an apocalyptic number.

It is an amenable number.

2028008 is a deficient number, since it is larger than the sum of its proper divisors (1774522).

2028008 is a wasteful number, since it uses less digits than its factorization.

2028008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253507 (or 253503 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2028008 is about 1424.0814583443. The cubic root of 2028008 is about 126.5775119012.

The spelling of 2028008 in words is "two million, twenty-eight thousand, eight".

Divisors: 1 2 4 8 253501 507002 1014004 2028008