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2006450 = 25240129
BaseRepresentation
bin111101001110110110010
310202221022222
413221312302
51003201300
6111001042
723024465
oct7516662
93687288
102006450
111150526
12809182
13553364
143a32dc
15299785
hex1e9db2

2006450 has 12 divisors (see below), whose sum is σ = 3732090. Its totient is φ = 802560.

The previous prime is 2006447. The next prime is 2006461. The reversal of 2006450 is 546002.

It can be written as a sum of positive squares in 3 ways, for example, as 811801 + 1194649 = 901^2 + 1093^2 .

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 in 5 ways as a sum of consecutive naturals, for example, 20015 + ... + 20114.

22006450 is an apocalyptic number.

2006450 is a deficient number, since it is larger than the sum of its proper divisors (1725640).

2006450 is a wasteful number, since it uses less digits than its factorization.

2006450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40141 (or 40136 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2006450 is about 1416.4921461131. The cubic root of 2006450 is about 126.1274011630.

The spelling of 2006450 in words is "two million, six thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 40129 80258 200645 401290 1003225 2006450