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144203830 = 2514420383
BaseRepresentation
bin10001001100001…
…10000000110110
3101001100022110121
420212012000312
5243404010310
622150442154
73400466221
oct1046060066
9331308417
10144203830
1174443521
124036335a
1323b4c914
141521a5b8
15c9d70da
hex8986036

144203830 has 8 divisors (see below), whose sum is σ = 259566912. Its totient is φ = 57681528.

The previous prime is 144203827. The next prime is 144203833. The reversal of 144203830 is 38302441.

It is an interprime number because it is at equal distance from previous prime (144203827) and next prime (144203833).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 144203795 and 144203804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144203833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7210182 + ... + 7210201.

It is an arithmetic number, because the mean of its divisors is an integer number (32445864).

Almost surely, 2144203830 is an apocalyptic number.

144203830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144203830 is a deficient number, since it is larger than the sum of its proper divisors (115363082).

144203830 is a wasteful number, since it uses less digits than its factorization.

144203830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14420390.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 144203830 is about 12008.4899133904. The cubic root of 144203830 is about 524.3954704493.

The spelling of 144203830 in words is "one hundred forty-four million, two hundred three thousand, eight hundred thirty".

Divisors: 1 2 5 10 14420383 28840766 72101915 144203830