[go: up one dir, main page]

Search a number
-
+
2100359 = 16712577
BaseRepresentation
bin1000000000110010000111
310221201011002
420000302013
51014202414
6113003515
723565332
oct10006207
93851132
102100359
111205038
1285359b
13587021
143c9619
152b74de
hex200c87

2100359 has 4 divisors (see below), whose sum is σ = 2113104. Its totient is φ = 2087616.

The previous prime is 2100353. The next prime is 2100377. The reversal of 2100359 is 9530012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2100359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6122 + ... + 6455.

It is an arithmetic number, because the mean of its divisors is an integer number (528276).

22100359 is an apocalyptic number.

2100359 is a deficient number, since it is larger than the sum of its proper divisors (12745).

2100359 is a wasteful number, since it uses less digits than its factorization.

2100359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12744.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 2100359 is about 1449.2615360935. The cubic root of 2100359 is about 128.0652133515.

The spelling of 2100359 in words is "two million, one hundred thousand, three hundred fifty-nine".

Divisors: 1 167 12577 2100359