Search a number
-
+
2080387 = 12716381
BaseRepresentation
bin111111011111010000011
310220200202101
413323322003
51013033022
6112331231
723453161
oct7737203
93820671
102080387
1111a1031
12843b17
1357abca
143c2231
152b1627
hex1fbe83

2080387 has 4 divisors (see below), whose sum is σ = 2096896. Its totient is φ = 2063880.

The previous prime is 2080363. The next prime is 2080391. The reversal of 2080387 is 7830802.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2080387 - 211 = 2078339 is a prime.

It is a Duffinian number.

2080387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2080357) 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, 8064 + ... + 8317.

It is an arithmetic number, because the mean of its divisors is an integer number (524224).

22080387 is an apocalyptic number.

2080387 is a deficient number, since it is larger than the sum of its proper divisors (16509).

2080387 is a wasteful number, since it uses less digits than its factorization.

2080387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16508.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2080387 is about 1442.3546720554. The cubic root of 2080387 is about 127.6580022464.

The spelling of 2080387 in words is "two million, eighty thousand, three hundred eighty-seven".

Divisors: 1 127 16381 2080387