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3420311443 = 7127479909
BaseRepresentation
bin1100101111011101…
…1100111110010011
322211100220211020121
43023313130332103
524001044431233
61323221051111
7150521111323
oct31367347623
98740824217
103420311443
1114a574967a
127b5556a97
134267b7c33
14246377283
1515041a92d
hexcbddcf93

3420311443 has 4 divisors (see below), whose sum is σ = 3420798480. Its totient is φ = 3419824408.

The previous prime is 3420311441. The next prime is 3420311491. The reversal of 3420311443 is 3441130243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3441130243 = 13725117739.

It is a cyclic number.

It is not a de Polignac number, because 3420311443 - 21 = 3420311441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420311441) 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, 232828 + ... + 247081.

It is an arithmetic number, because the mean of its divisors is an integer number (855199620).

Almost surely, 23420311443 is an apocalyptic number.

3420311443 is a deficient number, since it is larger than the sum of its proper divisors (487037).

3420311443 is an equidigital number, since it uses as much as digits as its factorization.

3420311443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487036.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3420311443 is about 58483.4287897008. The cubic root of 3420311443 is about 1506.6829872722.

Adding to 3420311443 its reverse (3441130243), we get a palindrome (6861441686).

The spelling of 3420311443 in words is "three billion, four hundred twenty million, three hundred eleven thousand, four hundred forty-three".

Divisors: 1 7127 479909 3420311443