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2049641 = 11389479
BaseRepresentation
bin111110100011001101001
310212010120122
413310121221
51011042031
6111533025
723264426
oct7643151
93763518
102049641
11117aa20
1282a175
13569c09
143b4d4d
152a747b
hex1f4669

2049641 has 8 divisors (see below), whose sum is σ = 2246400. Its totient is φ = 1854640.

The previous prime is 2049629. The next prime is 2049643. The reversal of 2049641 is 1469402.

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

It is a cyclic number.

It is not a de Polignac number, because 2049641 - 26 = 2049577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2049641.

It is not an unprimeable number, because it can be changed into a prime (2049643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4040 + ... + 4518.

It is an arithmetic number, because the mean of its divisors is an integer number (280800).

22049641 is an apocalyptic number.

It is an amenable number.

2049641 is a deficient number, since it is larger than the sum of its proper divisors (196759).

2049641 is a wasteful number, since it uses less digits than its factorization.

2049641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2049641 is about 1431.6567326004. The cubic root of 2049641 is about 127.0259933982.

The spelling of 2049641 in words is "two million, forty-nine thousand, six hundred forty-one".

Divisors: 1 11 389 479 4279 5269 186331 2049641