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2006455 = 5111912
BaseRepresentation
bin111101001110110110111
310202221100011
413221312313
51003201310
6111001051
723024503
oct7516667
93687304
102006455
111150530
12809187
13553369
143a3303
1529978a
hex1e9db7

2006455 has 12 divisors (see below), whose sum is σ = 2640456. Its totient is φ = 1451600.

The previous prime is 2006447. The next prime is 2006461. The reversal of 2006455 is 5546002.

2006455 = T66 + T67 + ... + T230.

It is not a de Polignac number, because 2006455 - 23 = 2006447 is a prime.

It is a super-3 number, since 3×20064553 = 24233130813331939125, which contains 333 as substring.

It is a Duffinian number.

2006455 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10410 + ... + 10600.

It is an arithmetic number, because the mean of its divisors is an integer number (220038).

22006455 is an apocalyptic number.

2006455 is a deficient number, since it is larger than the sum of its proper divisors (634001).

2006455 is an equidigital number, since it uses as much as digits as its factorization.

2006455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2006455 is about 1416.4939110353. The cubic root of 2006455 is about 126.1275059312.

The spelling of 2006455 in words is "two million, six thousand, four hundred fifty-five".

Divisors: 1 5 11 55 191 955 2101 10505 36481 182405 401291 2006455