Search a number
-
+
2103461 = 17123733
BaseRepresentation
bin1000000001100010100101
310221212101222
420001202211
51014302321
6113030125
723610353
oct10014245
93855358
102103461
1112073a8
12855345
13588569
143ca7d3
152b83ab
hex2018a5

2103461 has 4 divisors (see below), whose sum is σ = 2227212. Its totient is φ = 1979712.

The previous prime is 2103449. The next prime is 2103473. The reversal of 2103461 is 1643012.

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

It is an interprime number because it is at equal distance from previous prime (2103449) and next prime (2103473).

It can be written as a sum of positive squares in 2 ways, for example, as 1674436 + 429025 = 1294^2 + 655^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103461 - 214 = 2087077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 123733 = 2103461 / (2 + 1 + 0 + 3 + 4 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103961) 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, 61850 + ... + 61883.

It is an arithmetic number, because the mean of its divisors is an integer number (556803).

22103461 is an apocalyptic number.

It is an amenable number.

2103461 is a deficient number, since it is larger than the sum of its proper divisors (123751).

2103461 is a wasteful number, since it uses less digits than its factorization.

2103461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123750.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2103461 is about 1450.3313414527. The cubic root of 2103461 is about 128.1282284334.

Adding to 2103461 its reverse (1643012), we get a palindrome (3746473).

The spelling of 2103461 in words is "two million, one hundred three thousand, four hundred sixty-one".

Divisors: 1 17 123733 2103461