Search a number
-
+
2002012 = 222347463
BaseRepresentation
bin111101000110001011100
310202201020121
413220301130
51003031022
6110524324
723005525
oct7506134
93681217
102002012
111148161
128066a4
1355132c
143a184c
152982c7
hex1e8c5c

2002012 has 24 divisors (see below), whose sum is σ = 3741696. Its totient is φ = 935088.

The previous prime is 2002009. The next prime is 2002019. The reversal of 2002012 is 2102002.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2001986 and 2002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4093 + ... + 4555.

It is an arithmetic number, because the mean of its divisors is an integer number (155904).

22002012 is an apocalyptic number.

It is an amenable number.

2002012 is a deficient number, since it is larger than the sum of its proper divisors (1739684).

2002012 is a wasteful number, since it uses less digits than its factorization.

2002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2002012 is about 1414.9247329805. The cubic root of 2002012 is about 126.0343401823.

Adding to 2002012 its reverse (2102002), we get a palindrome (4104014).

The spelling of 2002012 in words is "two million, two thousand, twelve".

Divisors: 1 2 4 23 46 47 92 94 188 463 926 1081 1852 2162 4324 10649 21298 21761 42596 43522 87044 500503 1001006 2002012