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144023422 = 21710194157
BaseRepresentation
bin10001001010110…
…01111101111110
3101001000010222211
420211121331332
5243332222142
622142531034
73366115234
oct1045317576
9331003884
10144023422
117432aa24
1240296a7a
1323ab877a
14151b0954
15c99d917
hex8959f7e

144023422 has 16 divisors (see below), whose sum is σ = 229022640. Its totient is φ = 67692928.

The previous prime is 144023417. The next prime is 144023423. The reversal of 144023422 is 224320441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144023393 and 144023402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144023423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32568 + ... + 36724.

It is an arithmetic number, because the mean of its divisors is an integer number (14313915).

Almost surely, 2144023422 is an apocalyptic number.

144023422 is a deficient number, since it is larger than the sum of its proper divisors (84999218).

144023422 is a wasteful number, since it uses less digits than its factorization.

144023422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 144023422 is about 12000.9758769860. The cubic root of 144023422 is about 524.1766953590.

Adding to 144023422 its reverse (224320441), we get a palindrome (368343863).

It can be divided in two parts, 144023 and 422, that multiplied together give a palindrome (60777706).

The spelling of 144023422 in words is "one hundred forty-four million, twenty-three thousand, four hundred twenty-two".

Divisors: 1 2 17 34 1019 2038 4157 8314 17323 34646 70669 141338 4235983 8471966 72011711 144023422