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2205146 = 24723459
BaseRepresentation
bin1000011010010111011010
311011000220002
420122113122
51031031041
6115133002
724512666
oct10322732
94130802
102205146
111276839
128a4162
135c2928
144158a6
152d859b
hex21a5da

2205146 has 8 divisors (see below), whose sum is σ = 3378240. Its totient is φ = 1079068.

The previous prime is 2205139. The next prime is 2205149. The reversal of 2205146 is 6415022.

It is a happy number.

2205146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205149) 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 3 ways as a sum of consecutive naturals, for example, 11636 + ... + 11823.

It is an arithmetic number, because the mean of its divisors is an integer number (422280).

22205146 is an apocalyptic number.

2205146 is a deficient number, since it is larger than the sum of its proper divisors (1173094).

2205146 is a wasteful number, since it uses less digits than its factorization.

2205146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23508.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2205146 is about 1484.9734004352. The cubic root of 2205146 is about 130.1604724422.

The spelling of 2205146 in words is "two million, two hundred five thousand, one hundred forty-six".

Divisors: 1 2 47 94 23459 46918 1102573 2205146