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16380100 = 22521114891
BaseRepresentation
bin111110011111…
…000011000100
31010211012021101
4332133003010
513143130400
61343025444
7256141252
oct76370304
933735241
1016380100
119278680
12559b284
133516889
1422655d2
15168856a
hexf9f0c4

16380100 has 36 divisors (see below), whose sum is σ = 38778768. Its totient is φ = 5956000.

The previous prime is 16380083. The next prime is 16380101. The reversal of 16380100 is 108361.

It is not an unprimeable number, because it can be changed into a prime (16380101) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6346 + ... + 8545.

It is an arithmetic number, because the mean of its divisors is an integer number (1077188).

Almost surely, 216380100 is an apocalyptic number.

16380100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16380100 is an abundant number, since it is smaller than the sum of its proper divisors (22398668).

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

16380100 is a wasteful number, since it uses less digits than its factorization.

16380100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14916 (or 14909 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 16380100 is about 4047.2336231060. The cubic root of 16380100 is about 253.9640141633.

Adding to 16380100 its reverse (108361), we get a palindrome (16488461).

The spelling of 16380100 in words is "sixteen million, three hundred eighty thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 14891 29782 59564 74455 148910 163801 297820 327602 372275 655204 744550 819005 1489100 1638010 3276020 4095025 8190050 16380100