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212786483 = 7136138333
BaseRepresentation
bin11001010111011…
…01110100110011
3112211101200011212
430223231310303
5413433131413
633040430335
75162440520
oct1453556463
9484350155
10212786483
11aa1266a8
125b3183ab
1335113280
1420390147
1513a32ca8
hexcaedd33

212786483 has 16 divisors (see below), whose sum is σ = 266191296. Its totient is φ = 165594240.

The previous prime is 212786479. The next prime is 212786507. The reversal of 212786483 is 384687212.

It is not a de Polignac number, because 212786483 - 22 = 212786479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212786483.

It is not an unprimeable number, because it can be changed into a prime (212786423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13616 + ... + 24717.

It is an arithmetic number, because the mean of its divisors is an integer number (16636956).

Almost surely, 2212786483 is an apocalyptic number.

212786483 is a deficient number, since it is larger than the sum of its proper divisors (53404813).

212786483 is a wasteful number, since it uses less digits than its factorization.

212786483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38414.

The product of its digits is 129024, while the sum is 41.

The square root of 212786483 is about 14587.2027133375. The cubic root of 212786483 is about 597.0096423243.

The spelling of 212786483 in words is "two hundred twelve million, seven hundred eighty-six thousand, four hundred eighty-three".

Divisors: 1 7 13 61 91 427 793 5551 38333 268331 498329 2338313 3488303 16368191 30398069 212786483