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147212006 = 22318117681
BaseRepresentation
bin10001100011001…
…00011011100110
3101021000010220112
420301210123212
5300141241011
622335133022
73435165344
oct1061443346
9337003815
10147212006
1176108617
1241374172
1324663bc6
14157a0994
15cdcd58b
hex8c646e6

147212006 has 16 divisors (see below), whose sum is σ = 231704928. Its totient is φ = 70012800.

The previous prime is 147211973. The next prime is 147212063. The reversal of 147212006 is 600212741.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

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, 515 + ... + 17166.

It is an arithmetic number, because the mean of its divisors is an integer number (14481558).

Almost surely, 2147212006 is an apocalyptic number.

147212006 is a deficient number, since it is larger than the sum of its proper divisors (84492922).

147212006 is a wasteful number, since it uses less digits than its factorization.

147212006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17887.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 147212006 is about 12133.0954830167. The cubic root of 147212006 is about 528.0168033947.

Adding to 147212006 its reverse (600212741), we get a palindrome (747424747).

The spelling of 147212006 in words is "one hundred forty-seven million, two hundred twelve thousand, six".

Divisors: 1 2 23 46 181 362 4163 8326 17681 35362 406663 813326 3200261 6400522 73606003 147212006