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1024213 = 2344531
BaseRepresentation
bin11111010000011010101
31221000221211
43322003111
5230233323
633541421
711464021
oct3720325
91830854
101024213
1163a563
12414871
1329b258
141c9381
1515370d
hexfa0d5

1024213 has 4 divisors (see below), whose sum is σ = 1068768. Its totient is φ = 979660.

The previous prime is 1024207. The next prime is 1024249. The reversal of 1024213 is 3124201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3124201 = 22713763.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1024213 is a prime.

It is a Duffinian number.

1024213 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1024193 and 1024202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22243 + ... + 22288.

It is an arithmetic number, because the mean of its divisors is an integer number (267192).

21024213 is an apocalyptic number.

It is an amenable number.

1024213 is a deficient number, since it is larger than the sum of its proper divisors (44555).

1024213 is an equidigital number, since it uses as much as digits as its factorization.

1024213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44554.

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

The square root of 1024213 is about 1012.0340903349. The cubic root of 1024213 is about 100.8006721317.

Adding to 1024213 its reverse (3124201), we get a palindrome (4148414).

The spelling of 1024213 in words is "one million, twenty-four thousand, two hundred thirteen".

Divisors: 1 23 44531 1024213