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2040987 = 31359887
BaseRepresentation
bin111110010010010011011
310211200201010
413302102123
51010302422
6111425003
723230254
oct7622233
93750633
102040987
111174473
12825163
13565cb0
143b1b2b
152a4b0c
hex1f249b

2040987 has 16 divisors (see below), whose sum is σ = 2983680. Its totient is φ = 1233312.

The previous prime is 2040971. The next prime is 2040989. The reversal of 2040987 is 7890402.

It is not a de Polignac number, because 2040987 - 24 = 2040971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040989) 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, 1858 + ... + 2744.

It is an arithmetic number, because the mean of its divisors is an integer number (186480).

22040987 is an apocalyptic number.

2040987 is a deficient number, since it is larger than the sum of its proper divisors (942693).

2040987 is a wasteful number, since it uses less digits than its factorization.

2040987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2040987 is about 1428.6311630368. The cubic root of 2040987 is about 126.8469646938.

The spelling of 2040987 in words is "two million, forty thousand, nine hundred eighty-seven".

Divisors: 1 3 13 39 59 177 767 887 2301 2661 11531 34593 52333 156999 680329 2040987