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16380133 = 711283233
BaseRepresentation
bin111110011111…
…000011100101
31010211012022121
4332133003211
513143131013
61343025541
7256141330
oct76370345
933735277
1016380133
119278700
12559b2b1
1335168b3
142265617
15168858d
hexf9f0e5

16380133 has 24 divisors (see below), whose sum is σ = 20913984. Its totient is φ = 12555840.

The previous prime is 16380107. The next prime is 16380139. The reversal of 16380133 is 33108361.

It is a happy number.

It is not a de Polignac number, because 16380133 - 25 = 16380101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16380098 and 16380107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16380139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70185 + ... + 70417.

It is an arithmetic number, because the mean of its divisors is an integer number (871416).

Almost surely, 216380133 is an apocalyptic number.

It is an amenable number.

16380133 is a deficient number, since it is larger than the sum of its proper divisors (4533851).

16380133 is a wasteful number, since it uses less digits than its factorization.

16380133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 16380133 is about 4047.2376999628. The cubic root of 16380133 is about 253.9641847118.

Adding to 16380133 its reverse (33108361), we get a palindrome (49488494).

The spelling of 16380133 in words is "sixteen million, three hundred eighty thousand, one hundred thirty-three".

Divisors: 1 7 11 77 83 121 233 581 847 913 1631 2563 6391 10043 17941 19339 28193 70301 135373 197351 212729 1489103 2340019 16380133