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144331412 = 22312694327
BaseRepresentation
bin10001001101001…
…01001010010100
3101001120210110212
420212211022110
5243422101122
622153304552
73401540201
oct1046451224
9331523425
10144331412
1174520365
1240405158
1323b95a04
1415250ca8
15ca0ece2
hex89a5294

144331412 has 24 divisors (see below), whose sum is σ = 261757440. Its totient is φ = 69562080.

The previous prime is 144331409. The next prime is 144331433. The reversal of 144331412 is 214133441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31193 + ... + 35519.

It is an arithmetic number, because the mean of its divisors is an integer number (10906560).

Almost surely, 2144331412 is an apocalyptic number.

It is an amenable number.

144331412 is a deficient number, since it is larger than the sum of its proper divisors (117426028).

144331412 is a wasteful number, since it uses less digits than its factorization.

144331412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631 (or 4629 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 144331412 is about 12013.8008973014. The cubic root of 144331412 is about 524.5500749930.

Adding to 144331412 its reverse (214133441), we get a palindrome (358464853).

The spelling of 144331412 in words is "one hundred forty-four million, three hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 31 62 124 269 538 1076 4327 8339 8654 16678 17308 33356 134137 268274 536548 1163963 2327926 4655852 36082853 72165706 144331412