Search a number
-
+
2100486 = 231720593
BaseRepresentation
bin1000000000110100000110
310221201022210
420000310012
51014203421
6113004250
723565603
oct10006406
93851283
102100486
111205143
12853686
135870bb
143c96aa
152b7576
hex200d06

2100486 has 16 divisors (see below), whose sum is σ = 4448304. Its totient is φ = 658944.

The previous prime is 2100473. The next prime is 2100487. The reversal of 2100486 is 6840012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10195 + ... + 10398.

It is an arithmetic number, because the mean of its divisors is an integer number (278019).

22100486 is an apocalyptic number.

2100486 is an abundant number, since it is smaller than the sum of its proper divisors (2347818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100486 is a wasteful number, since it uses less digits than its factorization.

2100486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20615.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2100486 is about 1449.3053508492. The cubic root of 2100486 is about 128.0677944903.

Adding to 2100486 its reverse (6840012), we get a palindrome (8940498).

The spelling of 2100486 in words is "two million, one hundred thousand, four hundred eighty-six".

Divisors: 1 2 3 6 17 34 51 102 20593 41186 61779 123558 350081 700162 1050243 2100486