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1382411808 = 25329415101
BaseRepresentation
bin101001001100101…
…1110111000100000
310120100020210111100
41102121132320200
510312344134213
6345101514400
746154210061
oct12231367040
93510223440
101382411808
1164a3764a8
12326b72a00
1319053106b
14d1854568
158156d773
hex5265ee20

1382411808 has 72 divisors (see below), whose sum is σ = 3936182796. Its totient is φ = 460224000.

The previous prime is 1382411791. The next prime is 1382411839. The reversal of 1382411808 is 8081142831.

It can be written as a sum of positive squares in 2 ways, for example, as 1243831824 + 138579984 = 35268^2 + 11772^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×13824118082 = 3822124813795657728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268458 + ... + 273558.

Almost surely, 21382411808 is an apocalyptic number.

1382411808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1382411808 is an abundant number, since it is smaller than the sum of its proper divisors (2553770988).

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

1382411808 is a wasteful number, since it uses less digits than its factorization.

1382411808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058 (or 6047 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 1382411808 is about 37180.7989155693. The cubic root of 1382411808 is about 1113.9844918104.

The spelling of 1382411808 in words is "one billion, three hundred eighty-two million, four hundred eleven thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 941 1882 2823 3764 5101 5646 7528 8469 10202 11292 15056 15303 16938 20404 22584 30112 30606 33876 40808 45168 45909 61212 67752 81616 90336 91818 122424 135504 163232 183636 244848 271008 367272 489696 734544 1469088 4800041 9600082 14400123 19200164 28800246 38400328 43200369 57600492 76800656 86400738 115200984 153601312 172801476 230401968 345602952 460803936 691205904 1382411808