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2050081 = 111719577
BaseRepresentation
bin111110100100000100001
310212011011221
413310200201
51011100311
6111535041
723265625
oct7644041
93764157
102050081
111180290
1282a481
1356a187
143b5185
152a7671
hex1f4821

2050081 has 16 divisors (see below), whose sum is σ = 2496960. Its totient is φ = 1658880.

The previous prime is 2050079. The next prime is 2050099. The reversal of 2050081 is 1800502.

It is a happy number.

It is a 4-Lehmer number, since φ(2050081) divides (2050081-1)4.

It is a cyclic number.

It is not a de Polignac number, because 2050081 - 21 = 2050079 is a prime.

It is a super-2 number, since 2×20500812 = 8405664213122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2050021) 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, 3265 + ... + 3841.

It is an arithmetic number, because the mean of its divisors is an integer number (156060).

22050081 is an apocalyptic number.

It is an amenable number.

2050081 is a deficient number, since it is larger than the sum of its proper divisors (446879).

2050081 is a wasteful number, since it uses less digits than its factorization.

2050081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2050081 is about 1431.8103924752. The cubic root of 2050081 is about 127.0350823782.

Adding to 2050081 its reverse (1800502), we get a palindrome (3850583).

The spelling of 2050081 in words is "two million, fifty thousand, eighty-one".

Divisors: 1 11 17 19 187 209 323 577 3553 6347 9809 10963 107899 120593 186371 2050081