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1330819000 = 23537414637
BaseRepresentation
bin100111101010010…
…1010111110111000
310102202011121110121
41033110222332320
510211142202000
6340020023024
744656526530
oct11724527670
93382147417
101330819000
11623238015
12311831a74
13182938984
14c8a644c0
157bc7bb1a
hex4f52afb8

1330819000 has 128 divisors (see below), whose sum is σ = 3646581120. Its totient is φ = 445056000.

The previous prime is 1330818991. The next prime is 1330819013. The reversal of 1330819000 is 9180331.

It is a super-2 number, since 2×13308190002 = 3542158421522000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284682 + ... + 289318.

It is an arithmetic number, because the mean of its divisors is an integer number (28488915).

Almost surely, 21330819000 is an apocalyptic number.

1330819000 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 1330819000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1823290560).

1330819000 is an abundant number, since it is smaller than the sum of its proper divisors (2315762120).

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

1330819000 is a wasteful number, since it uses less digits than its factorization.

1330819000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706 (or 4692 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1330819000 is about 36480.3919935080. The cubic root of 1330819000 is about 1099.9501354807.

Adding to 1330819000 its reverse (9180331), we get a palindrome (1339999331).

The spelling of 1330819000 in words is "one billion, three hundred thirty million, eight hundred nineteen thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 41 50 56 70 82 100 125 140 164 175 200 205 250 280 287 328 350 410 500 574 700 820 875 1000 1025 1148 1400 1435 1640 1750 2050 2296 2870 3500 4100 4637 5125 5740 7000 7175 8200 9274 10250 11480 14350 18548 20500 23185 28700 32459 35875 37096 41000 46370 57400 64918 71750 92740 115925 129836 143500 162295 185480 190117 231850 259672 287000 324590 380234 463700 579625 649180 760468 811475 927400 950585 1159250 1298360 1330819 1520936 1622950 1901170 2318500 2661638 3245900 3802340 4057375 4637000 4752925 5323276 6491800 6654095 7604680 8114750 9505850 10646552 13308190 16229500 19011700 23764625 26616380 32459000 33270475 38023400 47529250 53232760 66540950 95058500 133081900 166352375 190117000 266163800 332704750 665409500 1330819000