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144522686 = 2711938459
BaseRepresentation
bin10001001110100…
…11110110111110
3101001221111212002
420213103312332
5243444211221
622201342302
73403264640
oct1047236676
9331844762
10144522686
1174641040
1240497992
1323c31aa9
14152a0890
15ca4b80b
hex89d3dbe

144522686 has 16 divisors (see below), whose sum is σ = 270276480. Its totient is φ = 56307480.

The previous prime is 144522673. The next prime is 144522709. The reversal of 144522686 is 686225441.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 469076 + ... + 469383.

It is an arithmetic number, because the mean of its divisors is an integer number (16892280).

Almost surely, 2144522686 is an apocalyptic number.

144522686 is a deficient number, since it is larger than the sum of its proper divisors (125753794).

144522686 is a wasteful number, since it uses less digits than its factorization.

144522686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938479.

The product of its digits is 92160, while the sum is 38.

The square root of 144522686 is about 12021.7588563404. The cubic root of 144522686 is about 524.7816912447.

The spelling of 144522686 in words is "one hundred forty-four million, five hundred twenty-two thousand, six hundred eighty-six".

Divisors: 1 2 7 11 14 22 77 154 938459 1876918 6569213 10323049 13138426 20646098 72261343 144522686