Search a number
-
+
2100419 = 19310883
BaseRepresentation
bin1000000000110011000011
310221201020022
420000303003
51014203134
6113004055
723565446
oct10006303
93851208
102100419
111205092
1285362b
13587069
143c965d
152b752e
hex200cc3

2100419 has 4 divisors (see below), whose sum is σ = 2111496. Its totient is φ = 2089344.

The previous prime is 2100409. The next prime is 2100451. The reversal of 2100419 is 9140012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2100419 - 24 = 2100403 is a prime.

It is a super-2 number, since 2×21004192 = 8823519951122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100397 and 2100406.

It is not an unprimeable number, because it can be changed into a prime (2100409) 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, 5249 + ... + 5634.

It is an arithmetic number, because the mean of its divisors is an integer number (527874).

22100419 is an apocalyptic number.

2100419 is a deficient number, since it is larger than the sum of its proper divisors (11077).

2100419 is a wasteful number, since it uses less digits than its factorization.

2100419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11076.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2100419 is about 1449.2822361431. The cubic root of 2100419 is about 128.0664328002.

The spelling of 2100419 in words is "two million, one hundred thousand, four hundred nineteen".

Divisors: 1 193 10883 2100419