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2049541 = 13374261
BaseRepresentation
bin111110100011000000101
310212010102221
413310120011
51011041131
6111532341
723264224
oct7643005
93763387
102049541
11117a93a
1282a0b1
13569b60
143b4cbb
152a7411
hex1f4605

2049541 has 8 divisors (see below), whose sum is σ = 2267384. Its totient is φ = 1840320.

The previous prime is 2049533. The next prime is 2049547. The reversal of 2049541 is 1459402.

It can be written as a sum of positive squares in 4 ways, for example, as 902500 + 1147041 = 950^2 + 1071^2 .

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 2049541 - 23 = 2049533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049547) 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, 1650 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (283423).

22049541 is an apocalyptic number.

It is an amenable number.

2049541 is a deficient number, since it is larger than the sum of its proper divisors (217843).

2049541 is a wasteful number, since it uses less digits than its factorization.

2049541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2049541 is about 1431.6218076014. The cubic root of 2049541 is about 127.0239275395.

The spelling of 2049541 in words is "two million, forty-nine thousand, five hundred forty-one".

Divisors: 1 13 37 481 4261 55393 157657 2049541