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1020214343 = 1487686089
BaseRepresentation
bin111100110011110…
…011110001000111
32122002201020222102
4330303303301013
54042133324333
6245122422315
734165451561
oct7463636107
92562636872
101020214343
11483980155
1224580199b
13133497035
14996d0331
155e875ae8
hex3ccf3c47

1020214343 has 4 divisors (see below), whose sum is σ = 1020901920. Its totient is φ = 1019526768.

The previous prime is 1020214313. The next prime is 1020214361. The reversal of 1020214343 is 3434120201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3434120201 = 31110778071.

It is a cyclic number.

It is not a de Polignac number, because 1020214343 - 228 = 751778887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020214313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341558 + ... + 344531.

It is an arithmetic number, because the mean of its divisors is an integer number (255225480).

Almost surely, 21020214343 is an apocalyptic number.

1020214343 is a deficient number, since it is larger than the sum of its proper divisors (687577).

1020214343 is an equidigital number, since it uses as much as digits as its factorization.

1020214343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687576.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1020214343 is about 31940.7943389015. The cubic root of 1020214343 is about 1006.6932152528.

Adding to 1020214343 its reverse (3434120201), we get a palindrome (4454334544).

The spelling of 1020214343 in words is "one billion, twenty million, two hundred fourteen thousand, three hundred forty-three".

Divisors: 1 1487 686089 1020214343