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1304214311 = 2295695259
BaseRepresentation
bin100110110111100…
…1011101100100111
310100220002221200202
41031233023230213
510132334324221
6333225501115
744214432041
oct11557135447
93326087622
101304214311
1160a216574
1230494179b
1317a28225a
14c52daa91
1579773d0b
hex4dbcbb27

1304214311 has 4 divisors (see below), whose sum is σ = 1309909800. Its totient is φ = 1298518824.

The previous prime is 1304214271. The next prime is 1304214371. The reversal of 1304214311 is 1134124031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1134124031 = 3733040547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1304214311 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 (1304214371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2847401 + ... + 2847858.

It is an arithmetic number, because the mean of its divisors is an integer number (327477450).

Almost surely, 21304214311 is an apocalyptic number.

1304214311 is a deficient number, since it is larger than the sum of its proper divisors (5695489).

1304214311 is an equidigital number, since it uses as much as digits as its factorization.

1304214311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695488.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1304214311 is about 36113.9074457473. The cubic root of 1304214311 is about 1092.5709619873.

Adding to 1304214311 its reverse (1134124031), we get a palindrome (2438338342).

The spelling of 1304214311 in words is "one billion, three hundred four million, two hundred fourteen thousand, three hundred eleven".

Divisors: 1 229 5695259 1304214311