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12934100 = 2252129341
BaseRepresentation
bin110001010101…
…101111010100
3220100010020202
4301111233110
511302342400
61141120032
7214636514
oct61255724
926303222
1012934100
117334643
1243b9018
1328ab21a
141a09844
1512074d5
hexc55bd4

12934100 has 18 divisors (see below), whose sum is σ = 28067214. Its totient is φ = 5173600.

The previous prime is 12934069. The next prime is 12934109. The reversal of 12934100 is 143921.

It can be written as a sum of positive squares in 3 ways, for example, as 515524 + 12418576 = 718^2 + 3524^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12934109) 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 5 ways as a sum of consecutive naturals, for example, 64571 + ... + 64770.

Almost surely, 212934100 is an apocalyptic number.

12934100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12934100 is an abundant number, since it is smaller than the sum of its proper divisors (15133114).

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

12934100 is a wasteful number, since it uses less digits than its factorization.

12934100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129355 (or 129348 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12934100 is about 3596.4009787564. The cubic root of 12934100 is about 234.7354802424.

The spelling of 12934100 in words is "twelve million, nine hundred thirty-four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 129341 258682 517364 646705 1293410 2586820 3233525 6467050 12934100