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4028812 = 221007203
BaseRepresentation
bin1111010111100110001100
321120200111021
433113212030
52012410222
6222203524
746146544
oct17274614
97520437
104028812
1123019a7
1214235a4
13ab0a18
1476c324
15548ac7
hex3d798c

4028812 has 6 divisors (see below), whose sum is σ = 7050428. Its totient is φ = 2014404.

The previous prime is 4028807. The next prime is 4028833. The reversal of 4028812 is 2188204.

It is a super-2 number, since 2×40288122 = 32462652262688, 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, 503598 + ... + 503605.

Almost surely, 24028812 is an apocalyptic number.

It is an amenable number.

4028812 is a deficient number, since it is larger than the sum of its proper divisors (3021616).

4028812 is a wasteful number, since it uses less digits than its factorization.

4028812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007207 (or 1007205 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 4028812 is about 2007.1900757028. The cubic root of 4028812 is about 159.1203287287.

The spelling of 4028812 in words is "four million, twenty-eight thousand, eight hundred twelve".

Divisors: 1 2 4 1007203 2014406 4028812