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1304200311 = 31069406673
BaseRepresentation
bin100110110111100…
…1000010001110111
310100220002020111020
41031233020101313
510132333402221
6333225312223
744214343161
oct11557102167
93326066436
101304200311
1160a206aa7
12304935673
1317a278a7b
14c52d5931
157976eac6
hex4dbc8477

1304200311 has 8 divisors (see below), whose sum is σ = 1740564720. Its totient is φ = 868651392.

The previous prime is 1304200307. The next prime is 1304200319. The reversal of 1304200311 is 1130024031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1304200311 - 22 = 1304200307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304200319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200130 + ... + 206543.

It is an arithmetic number, because the mean of its divisors is an integer number (217570590).

Almost surely, 21304200311 is an apocalyptic number.

1304200311 is a deficient number, since it is larger than the sum of its proper divisors (436364409).

1304200311 is a wasteful number, since it uses less digits than its factorization.

1304200311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407745.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1304200311 is about 36113.7136140829. The cubic root of 1304200311 is about 1092.5670525971.

Adding to 1304200311 its reverse (1130024031), we get a palindrome (2434224342).

The spelling of 1304200311 in words is "one billion, three hundred four million, two hundred thousand, three hundred eleven".

Divisors: 1 3 1069 3207 406673 1220019 434733437 1304200311