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144117712 = 249007357
BaseRepresentation
bin10001001011100…
…00111111010000
3101001011221100001
420211300333100
5243343231322
622144535344
73366660154
oct1045607720
9331157301
10144117712
1174394852
1240321554
1323b1c66b
14151d7064
15c9bb827
hex8970fd0

144117712 has 10 divisors (see below), whose sum is σ = 279228098. Its totient is φ = 72058848.

The previous prime is 144117709. The next prime is 144117719. The reversal of 144117712 is 217711441.

It can be written as a sum of positive squares in only one way, i.e., 99281296 + 44836416 = 9964^2 + 6696^2 .

It is a super-2 number, since 2×1441177122 = 41539829824229888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144117719) 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 as a sum of consecutive naturals, namely, 4503663 + ... + 4503694.

Almost surely, 2144117712 is an apocalyptic number.

It is an amenable number.

144117712 is a deficient number, since it is larger than the sum of its proper divisors (135110386).

144117712 is an equidigital number, since it uses as much as digits as its factorization.

144117712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9007365 (or 9007359 counting only the distinct ones).

The product of its digits is 1568, while the sum is 28.

The square root of 144117712 is about 12004.9036647530. The cubic root of 144117712 is about 524.2910606430.

The spelling of 144117712 in words is "one hundred forty-four million, one hundred seventeen thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 9007357 18014714 36029428 72058856 144117712