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200412312 = 23326331751
BaseRepresentation
bin10111111001000…
…00110010011000
3111222010000000020
423330200302120
5402301143222
631515310440
74652322312
oct1374406230
9458100006
10200412312
11a3144811
125714b420
133269cb89
141c88c7b2
15128db65c
hexbf20c98

200412312 has 32 divisors (see below), whose sum is σ = 502951680. Its totient is φ = 66548000.

The previous prime is 200412307. The next prime is 200412319. The reversal of 200412312 is 213214002.

It is a junction number, because it is equal to n+sod(n) for n = 200412291 and 200412300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200412319) 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 7 ways as a sum of consecutive naturals, for example, 9564 + ... + 22187.

It is an arithmetic number, because the mean of its divisors is an integer number (15717240).

Almost surely, 2200412312 is an apocalyptic number.

It is an amenable number.

200412312 is an abundant number, since it is smaller than the sum of its proper divisors (302539368).

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

200412312 is a wasteful number, since it uses less digits than its factorization.

200412312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32023 (or 32019 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 200412312 is about 14156.7055489616. The cubic root of 200412312 is about 585.2051409998.

Adding to 200412312 its reverse (213214002), we get a palindrome (413626314).

The spelling of 200412312 in words is "two hundred million, four hundred twelve thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 263 526 789 1052 1578 2104 3156 6312 31751 63502 95253 127004 190506 254008 381012 762024 8350513 16701026 25051539 33402052 50103078 66804104 100206156 200412312