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144024442 = 21740910357
BaseRepresentation
bin10001001010110…
…10001101111010
3101001000012101121
420211122031322
5243332240232
622142535454
73366121222
oct1045321572
9331005347
10144024442
1174330771
124029758a
1323ab9083
14151b1082
15c99dd97
hex895a37a

144024442 has 16 divisors (see below), whose sum is σ = 229326120. Its totient is φ = 67603968.

The previous prime is 144024437. The next prime is 144024451. The reversal of 144024442 is 244420441.

144024442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 144024001 + 441 = 12001^2 + 21^2 .

It is a super-2 number, since 2×1440244422 = 41486079786822728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8728 + ... + 19084.

Almost surely, 2144024442 is an apocalyptic number.

144024442 is a deficient number, since it is larger than the sum of its proper divisors (85301678).

144024442 is a wasteful number, since it uses less digits than its factorization.

144024442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10785.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 144024442 is about 12001.0183734548. The cubic root of 144024442 is about 524.1779327942.

Adding to 144024442 its reverse (244420441), we get a palindrome (388444883).

The spelling of 144024442 in words is "one hundred forty-four million, twenty-four thousand, four hundred forty-two".

Divisors: 1 2 17 34 409 818 6953 10357 13906 20714 176069 352138 4236013 8472026 72012221 144024442