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2102413 = 2972497
BaseRepresentation
bin1000000001010010001101
310221210222011
420001102031
51014234123
6113021221
723604325
oct10012215
93853864
102102413
111206635
12854811
13587c41
143ca285
152b7e0d
hex20148d

2102413 has 4 divisors (see below), whose sum is σ = 2174940. Its totient is φ = 2029888.

The previous prime is 2102411. The next prime is 2102417. The reversal of 2102413 is 3142012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 896809 + 1205604 = 947^2 + 1098^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102413 - 21 = 2102411 is a prime.

It is a d-powerful number, because it can be written as 211 + 1 + 0 + 221 + 45 + 1 + 37 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102393 and 2102402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102411) 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, 36220 + ... + 36277.

It is an arithmetic number, because the mean of its divisors is an integer number (543735).

22102413 is an apocalyptic number.

It is an amenable number.

2102413 is a deficient number, since it is larger than the sum of its proper divisors (72527).

2102413 is an equidigital number, since it uses as much as digits as its factorization.

2102413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72526.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2102413 is about 1449.9699996896. The cubic root of 2102413 is about 128.1069459392.

Adding to 2102413 its reverse (3142012), we get a palindrome (5244425).

The spelling of 2102413 in words is "two million, one hundred two thousand, four hundred thirteen".

Divisors: 1 29 72497 2102413