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144302212 = 2236075553
BaseRepresentation
bin10001001100111…
…10000010000100
3101001112022102101
420212132002010
5243420132322
622152521444
73401356105
oct1046360204
9331468371
10144302212
117450042a
12403b0284
1323b85632
14152443ac
15ca06327
hex899e084

144302212 has 6 divisors (see below), whose sum is σ = 252528878. Its totient is φ = 72151104.

The previous prime is 144302203. The next prime is 144302227. The reversal of 144302212 is 212203441.

It can be written as a sum of positive squares in only one way, i.e., 137921536 + 6380676 = 11744^2 + 2526^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144302212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18037773 + ... + 18037780.

Almost surely, 2144302212 is an apocalyptic number.

It is an amenable number.

144302212 is a deficient number, since it is larger than the sum of its proper divisors (108226666).

144302212 is a wasteful number, since it uses less digits than its factorization.

144302212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36075557 (or 36075555 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 144302212 is about 12012.5855668128. The cubic root of 144302212 is about 524.5146983207.

Adding to 144302212 its reverse (212203441), we get a palindrome (356505653).

The spelling of 144302212 in words is "one hundred forty-four million, three hundred two thousand, two hundred twelve".

Divisors: 1 2 4 36075553 72151106 144302212