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2049406 = 21024703
BaseRepresentation
bin111110100010101111110
310212010020221
413310111332
51011040111
6111531554
723263642
oct7642576
93763227
102049406
11117a827
12829bba
13569a88
143b4c22
152a7371
hex1f457e

2049406 has 4 divisors (see below), whose sum is σ = 3074112. Its totient is φ = 1024702.

The previous prime is 2049361. The next prime is 2049407. The reversal of 2049406 is 6049402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512350 + ... + 512353.

It is an arithmetic number, because the mean of its divisors is an integer number (768528).

22049406 is an apocalyptic number.

2049406 is a deficient number, since it is larger than the sum of its proper divisors (1024706).

2049406 is a wasteful number, since it uses less digits than its factorization.

2049406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024705.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2049406 is about 1431.5746575013. The cubic root of 2049406 is about 127.0211385237.

The spelling of 2049406 in words is "two million, forty-nine thousand, four hundred six".

Divisors: 1 2 1024703 2049406