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1304420310 = 232514493559
BaseRepresentation
bin100110110111111…
…1101111111010110
310100220111102021100
41031233331333112
510132412422220
6333234130530
744216250444
oct11557757726
93326442240
101304420310
1160a347316
12304a20a46
1317a324c4b
14c5351b94
15797b4d90
hex4dbfdfd6

1304420310 has 24 divisors (see below), whose sum is σ = 3391493040. Its totient is φ = 347845392.

The previous prime is 1304420303. The next prime is 1304420323. The reversal of 1304420310 is 130244031.

It is a super-2 number, since 2×13044203102 = 3403024690280992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7246690 + ... + 7246869.

It is an arithmetic number, because the mean of its divisors is an integer number (141312210).

Almost surely, 21304420310 is an apocalyptic number.

1304420310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304420310 is an abundant number, since it is smaller than the sum of its proper divisors (2087072730).

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

1304420310 is a wasteful number, since it uses less digits than its factorization.

1304420310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14493572 (or 14493569 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1304420310 is about 36116.7594061261. The cubic root of 1304420310 is about 1092.6284823593.

Adding to 1304420310 its reverse (130244031), we get a palindrome (1434664341).

The spelling of 1304420310 in words is "one billion, three hundred four million, four hundred twenty thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 14493559 28987118 43480677 72467795 86961354 130442031 144935590 217403385 260884062 434806770 652210155 1304420310