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144481038 = 231313612
BaseRepresentation
bin10001001110010…
…01101100001110
3101001212101201120
420213021230032
5243441343123
622200421410
73403032342
oct1047115416
9331771646
10144481038
1174612819
1240477866
1323c18b50
141528d622
15ca3e2e3
hex89c9b0e

144481038 has 24 divisors (see below), whose sum is σ = 311418744. Its totient is φ = 44423040.

The previous prime is 144481037. The next prime is 144481061. The reversal of 144481038 is 830184441.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144481033) 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 in 11 ways as a sum of consecutive naturals, for example, 105478 + ... + 106838.

It is an arithmetic number, because the mean of its divisors is an integer number (12975781).

Almost surely, 2144481038 is an apocalyptic number.

144481038 is an abundant number, since it is smaller than the sum of its proper divisors (166937706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144481038 is an equidigital number, since it uses as much as digits as its factorization.

144481038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740 (or 1379 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 144481038 is about 12020.0265390722. The cubic root of 144481038 is about 524.7312765352.

The spelling of 144481038 in words is "one hundred forty-four million, four hundred eighty-one thousand, thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 1361 2722 4083 8166 17693 35386 53079 106158 1852321 3704642 5556963 11113926 24080173 48160346 72240519 144481038