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2039081 = 11185371
BaseRepresentation
bin111110001110100101001
310211121002112
413301310221
51010222311
6111412105
723221562
oct7616451
93747075
102039081
111172aa0
12824035
13565175
143b1169
152a428b
hex1f1d29

2039081 has 4 divisors (see below), whose sum is σ = 2224464. Its totient is φ = 1853700.

The previous prime is 2039071. The next prime is 2039083. The reversal of 2039081 is 1809302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2039081 is a prime.

It is a super-2 number, since 2×20390812 = 8315702649122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2039083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92675 + ... + 92696.

It is an arithmetic number, because the mean of its divisors is an integer number (556116).

22039081 is an apocalyptic number.

It is an amenable number.

2039081 is a deficient number, since it is larger than the sum of its proper divisors (185383).

2039081 is a wasteful number, since it uses less digits than its factorization.

2039081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185382.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2039081 is about 1427.9639351188. The cubic root of 2039081 is about 126.8074665468.

The spelling of 2039081 in words is "two million, thirty-nine thousand, eighty-one".

Divisors: 1 11 185371 2039081