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1304554420 = 2251312793923
BaseRepresentation
bin100110111000001…
…1110101110110100
310100220202020020101
41031300132232310
510132431220140
6333241043444
744220346441
oct11560365664
93326666211
101304554420
1160a429054
12304a86584
1317a370cc0
14c53889c8
15797de99a
hex4dc1ebb4

1304554420 has 48 divisors (see below), whose sum is σ = 2953359360. Its totient is φ = 481182336.

The previous prime is 1304554393. The next prime is 1304554463. The reversal of 1304554420 is 244554031.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 330579 + ... + 334501.

It is an arithmetic number, because the mean of its divisors is an integer number (61528320).

Almost surely, 21304554420 is an apocalyptic number.

1304554420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304554420 is an abundant number, since it is smaller than the sum of its proper divisors (1648804940).

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

1304554420 is a wasteful number, since it uses less digits than its factorization.

1304554420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224 (or 5222 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1304554420 is about 36118.6159756987. The cubic root of 1304554420 is about 1092.6659261656.

The spelling of 1304554420 in words is "one billion, three hundred four million, five hundred fifty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1279 2558 3923 5116 6395 7846 12790 15692 16627 19615 25580 33254 39230 50999 66508 78460 83135 101998 166270 203996 254995 332540 509990 1019980 5017517 10035034 20070068 25087585 50175170 65227721 100350340 130455442 260910884 326138605 652277210 1304554420