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1304190976 = 2131141353
BaseRepresentation
bin100110110111100…
…0110000000000000
310100220001202200111
41031233012000000
510132333102401
6333225201104
744214304024
oct11557060000
93326052614
101304190976
1160a1aaa90
12304930194
1317a27474a
14c52d2384
157976be51
hex4dbc6000

1304190976 has 112 divisors (see below), whose sum is σ = 2922989328. Its totient is φ = 576716800.

The previous prime is 1304190949. The next prime is 1304191001. The reversal of 1304190976 is 6790914031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3694416 + ... + 3694768.

It is an arithmetic number, because the mean of its divisors is an integer number (26098119).

Almost surely, 21304190976 is an apocalyptic number.

1304190976 is a gapful number since it is divisible by the number (16) 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 1304190976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461494664).

1304190976 is an abundant number, since it is smaller than the sum of its proper divisors (1618798352).

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

1304190976 is an equidigital number, since it uses as much as digits as its factorization.

1304190976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 1304190976 is about 36113.5843693201. The cubic root of 1304190976 is about 1092.5644458559.

The spelling of 1304190976 in words is "one billion, three hundred four million, one hundred ninety thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 11 16 22 32 41 44 64 82 88 128 164 176 256 328 352 353 451 512 656 704 706 902 1024 1312 1408 1412 1804 2048 2624 2816 2824 3608 3883 4096 5248 5632 5648 7216 7766 8192 10496 11264 11296 14432 14473 15532 20992 22528 22592 28864 28946 31064 41984 45056 45184 57728 57892 62128 83968 90112 90368 115456 115784 124256 159203 167936 180736 230912 231568 248512 318406 335872 361472 461824 463136 497024 636812 722944 923648 926272 994048 1273624 1445888 1847296 1852544 1988096 2547248 2891776 3694592 3705088 3976192 5094496 7410176 7952384 10188992 14820352 15904768 20377984 29640704 31809536 40755968 59281408 81511936 118562816 163023872 326047744 652095488 1304190976