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1304255344 = 247213712143
BaseRepresentation
bin100110110111101…
…0101101101110000
310100220012000222111
41031233111231300
510132342132334
6333230415104
744214662500
oct11557255560
93326160874
101304255344
1160a244387
12304961494
1317a297b32
14c530ba00
1579781064
hex4dbd5b70

1304255344 has 60 divisors (see below), whose sum is σ = 2961265824. Its totient is φ = 554840832.

The previous prime is 1304255339. The next prime is 1304255369. The reversal of 1304255344 is 4435524031.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101337 + ... + 113479.

Almost surely, 21304255344 is an apocalyptic number.

1304255344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304255344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480632912).

1304255344 is an abundant number, since it is smaller than the sum of its proper divisors (1657010480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1304255344 is a wasteful number, since it uses less digits than its factorization.

1304255344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12302 (or 12289 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1304255344 is about 36114.4755465174. The cubic root of 1304255344 is about 1092.5824199698.

Adding to 1304255344 its reverse (4435524031), we get a palindrome (5739779375).

It can be divided in two parts, 13042 and 55344, that added together give a palindrome (68386).

The spelling of 1304255344 in words is "one billion, three hundred four million, two hundred fifty-five thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 137 196 274 392 548 784 959 1096 1918 2192 3836 6713 7672 12143 13426 15344 24286 26852 48572 53704 85001 97144 107408 170002 194288 340004 595007 680008 1190014 1360016 1663591 2380028 3327182 4760056 6654364 9520112 11645137 13308728 23290274 26617456 46580548 81515959 93161096 163031918 186322192 326063836 652127672 1304255344