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BaseRepresentation
bin111111011111010000110
310220200202111
413323322012
51013033030
6112331234
723453164
oct7737206
93820674
102080390
1111a1034
12843b1a
1357ac00
143c2234
152b162a
hex1fbe86

2080390 has 24 divisors (see below), whose sum is σ = 4058208. Its totient is φ = 767520.

The previous prime is 2080363. The next prime is 2080391. The reversal of 2080390 is 930802.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1075 + ... + 2305.

It is an arithmetic number, because the mean of its divisors is an integer number (169092).

22080390 is an apocalyptic number.

2080390 is a deficient number, since it is larger than the sum of its proper divisors (1977818).

2080390 is a wasteful number, since it uses less digits than its factorization.

2080390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2080390 is about 1442.3557120211. The cubic root of 2080390 is about 127.6580636090.

The spelling of 2080390 in words is "two million, eighty thousand, three hundred ninety".