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144343320 = 23351129941
BaseRepresentation
bin10001001101010…
…00000100011000
3101001121101210220
420212220010120
5243422441240
622153440040
73401620002
oct1046500430
9331541726
10144343320
1174529300
1240410020
1323b9b264
1415255372
15ca135d0
hex89a8118

144343320 has 96 divisors (see below), whose sum is σ = 476022960. Its totient is φ = 34988800.

The previous prime is 144343319. The next prime is 144343343. The reversal of 144343320 is 23343441.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9550 + ... + 19490.

Almost surely, 2144343320 is an apocalyptic number.

144343320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144343320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238011480).

144343320 is an abundant number, since it is smaller than the sum of its proper divisors (331679640).

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

144343320 is a wasteful number, since it uses less digits than its factorization.

144343320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9977 (or 9962 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 144343320 is about 12014.2964837730. The cubic root of 144343320 is about 524.5645005211.

Adding to 144343320 its reverse (23343441), we get a palindrome (167686761).

The spelling of 144343320 in words is "one hundred forty-four million, three hundred forty-three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 121 132 165 220 242 264 330 363 440 484 605 660 726 968 1210 1320 1452 1815 2420 2904 3630 4840 7260 9941 14520 19882 29823 39764 49705 59646 79528 99410 109351 119292 149115 198820 218702 238584 298230 328053 397640 437404 546755 596460 656106 874808 1093510 1192920 1202861 1312212 1640265 2187020 2405722 2624424 3280530 3608583 4374040 4811444 6014305 6561060 7217166 9622888 12028610 13122120 14434332 18042915 24057220 28868664 36085830 48114440 72171660 144343320