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144203330 = 25233831637
BaseRepresentation
bin10001001100001…
…01111001000010
3101001100021210002
420212011321002
5243404001310
622150440002
73400464605
oct1046057102
9331307702
10144203330
1174443107
1240363002
1323b4c61b
141521a33c
15c9d6da5
hex8985e42

144203330 has 32 divisors (see below), whose sum is σ = 271724544. Its totient is φ = 54995776.

The previous prime is 144203327. The next prime is 144203347. The reversal of 144203330 is 33302441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87272 + ... + 88908.

It is an arithmetic number, because the mean of its divisors is an integer number (8491392).

Almost surely, 2144203330 is an apocalyptic number.

144203330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144203330 is a deficient number, since it is larger than the sum of its proper divisors (127521214).

144203330 is a wasteful number, since it uses less digits than its factorization.

144203330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 144203330 is about 12008.4690947681. The cubic root of 144203330 is about 524.3948643673.

Adding to 144203330 its reverse (33302441), we get a palindrome (177505771).

The spelling of 144203330 in words is "one hundred forty-four million, two hundred three thousand, three hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 383 766 1637 1915 3274 3830 8185 8809 16370 17618 37651 44045 75302 88090 188255 376510 626971 1253942 3134855 6269710 14420333 28840666 72101665 144203330