Search a number
-
+
1304029160 = 235722328927
BaseRepresentation
bin100110110111001…
…1110011111101000
310100212202112201022
41031232132133220
510132312413120
6333221512012
744213031200
oct11556363750
93325675638
101304029160
1160a0aa455
12304872608
1317a218bb5
14c528d400
1579739025
hex4db9e7e8

1304029160 has 96 divisors (see below), whose sum is σ = 3561615360. Its totient is φ = 427641984.

The previous prime is 1304029127. The next prime is 1304029169. The reversal of 1304029160 is 619204031.

It is a super-3 number, since 3×13040291603 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1304029169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30617 + ... + 59543.

It is an arithmetic number, because the mean of its divisors is an integer number (37100160).

Almost surely, 21304029160 is an apocalyptic number.

1304029160 is a gapful number since it is divisible by the number (10) 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 1304029160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780807680).

1304029160 is an abundant number, since it is smaller than the sum of its proper divisors (2257586200).

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

1304029160 is a wasteful number, since it uses less digits than its factorization.

1304029160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28975 (or 28964 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1304029160 is about 36111.3439240358. The cubic root of 1304029160 is about 1092.5192577600.

The spelling of 1304029160 in words is "one billion, three hundred four million, twenty-nine thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 23 28 35 40 46 49 56 70 92 98 115 140 161 184 196 230 245 280 322 392 460 490 644 805 920 980 1127 1288 1610 1960 2254 3220 4508 5635 6440 9016 11270 22540 28927 45080 57854 115708 144635 202489 231416 289270 404978 578540 665321 809956 1012445 1157080 1330642 1417423 1619912 2024890 2661284 2834846 3326605 4049780 4657247 5322568 5669692 6653210 7087115 8099560 9314494 11339384 13306420 14174230 18628988 23286235 26612840 28348460 32600729 37257976 46572470 56696920 65201458 93144940 130402916 163003645 186289880 260805832 326007290 652014580 1304029160