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2082645 = 33515427
BaseRepresentation
bin111111100011101010101
310220210212000
413330131111
51013121040
6112345513
723462565
oct7743525
93823760
102082645
1111a27a4
12845299
1357bc46
143c2da5
152b2130
hex1fc755

2082645 has 16 divisors (see below), whose sum is σ = 3702720. Its totient is φ = 1110672.

The previous prime is 2082631. The next prime is 2082649. The reversal of 2082645 is 5462802.

It is not a de Polignac number, because 2082645 - 29 = 2082133 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2082649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7579 + ... + 7848.

It is an arithmetic number, because the mean of its divisors is an integer number (231420).

22082645 is an apocalyptic number.

It is an amenable number.

2082645 is a deficient number, since it is larger than the sum of its proper divisors (1620075).

2082645 is a wasteful number, since it uses less digits than its factorization.

2082645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15441 (or 15435 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2082645 is about 1443.1372076140. The cubic root of 2082645 is about 127.7041711475.

The spelling of 2082645 in words is "two million, eighty-two thousand, six hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 15427 46281 77135 138843 231405 416529 694215 2082645