Search a number
BaseRepresentation
bin111110010001101101111
310211200022000
413302031233
51010300222
6111423343
723226345
oct7621557
93750260
102040687
111174220
12824b53
13565b0c
143b1995
152a49ac
hex1f236f

2040687 has 16 divisors (see below), whose sum is σ = 3298560. Its totient is φ = 1236600.

The previous prime is 2040679. The next prime is 2040719. The reversal of 2040687 is 7860402.

It is not a de Polignac number, because 2040687 - 23 = 2040679 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2040687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040607) 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, 3139 + ... + 3732.

It is an arithmetic number, because the mean of its divisors is an integer number (206160).

22040687 is an apocalyptic number.

2040687 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2040687 is a deficient number, since it is larger than the sum of its proper divisors (1257873).

2040687 is a wasteful number, since it uses less digits than its factorization.

2040687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891 (or 6885 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2040687 is about 1428.5261635686. The cubic root of 2040687 is about 126.8407494077.

The spelling of 2040687 in words is "two million, forty thousand, six hundred eighty-seven".