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144423414 = 2328023523
BaseRepresentation
bin10001001101110…
…11100111110110
3101001202110200100
420212323213312
5243433022124
622155254530
73402402342
oct1046734766
9331673610
10144423414
11745834a3
124044a446
1323bc8855
1415276622
15ca2c1c9
hex89bb9f6

144423414 has 12 divisors (see below), whose sum is σ = 312917436. Its totient is φ = 48141132.

The previous prime is 144423353. The next prime is 144423421. The reversal of 144423414 is 414324441.

It is a super-2 number, since 2×1444234142 = 41716245022830792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4011744 + ... + 4011779.

It is an arithmetic number, because the mean of its divisors is an integer number (26076453).

Almost surely, 2144423414 is an apocalyptic number.

144423414 is an abundant number, since it is smaller than the sum of its proper divisors (168494022).

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

144423414 is a wasteful number, since it uses less digits than its factorization.

144423414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023531 (or 8023528 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 144423414 is about 12017.6293003238. The cubic root of 144423414 is about 524.6615069741.

Adding to 144423414 its reverse (414324441), we get a palindrome (558747855).

The spelling of 144423414 in words is "one hundred forty-four million, four hundred twenty-three thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 8023523 16047046 24070569 48141138 72211707 144423414