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1304795664 = 2432191074457
BaseRepresentation
bin100110111000101…
…1001101000010000
310100221012111011100
41031301121220100
510133011430124
6333250144400
744222402664
oct11561315020
93327174140
101304795664
1160a583327
12304b82100
1317a426a53
14c540c8a4
157983b1c9
hex4dc59a10

1304795664 has 120 divisors (see below), whose sum is σ = 3880599840. Its totient is φ = 408098304.

The previous prime is 1304795651. The next prime is 1304795693. The reversal of 1304795664 is 4665974031.

1304795664 is a `hidden beast` number, since 13 + 0 + 4 + 79 + 566 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290524 + ... + 294980.

It is an arithmetic number, because the mean of its divisors is an integer number (32338332).

Almost surely, 21304795664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304795664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1940299920).

1304795664 is an abundant number, since it is smaller than the sum of its proper divisors (2575804176).

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

1304795664 is a wasteful number, since it uses less digits than its factorization.

1304795664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597 (or 4588 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 1304795664 is about 36121.9554287970. The cubic root of 1304795664 is about 1092.7332755603.

The spelling of 1304795664 in words is "one billion, three hundred four million, seven hundred ninety-five thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 107 114 144 152 171 214 228 304 321 342 428 456 642 684 856 912 963 1284 1368 1712 1926 2033 2568 2736 3852 4066 4457 5136 6099 7704 8132 8914 12198 13371 15408 16264 17828 18297 24396 26742 32528 35656 36594 40113 48792 53484 71312 73188 80226 84683 97584 106968 146376 160452 169366 213936 254049 292752 320904 338732 476899 508098 641808 677464 762147 953798 1016196 1354928 1430697 1524294 1907596 2032392 2861394 3048588 3815192 4064784 4292091 5722788 6097176 7630384 8584182 9061081 11445576 12194352 17168364 18122162 22891152 27183243 34336728 36244324 54366486 68673456 72488648 81549729 108732972 144977296 163099458 217465944 326198916 434931888 652397832 1304795664