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144814488 = 233713611087
BaseRepresentation
bin10001010000110…
…11000110011000
3101002111100010120
420220123012120
5244033030423
622211513240
73405621450
oct1050330630
9332440116
10144814488
11748202a5
12405b8820
1324004860
1415338d60
15caa7ee3
hex8a1b198

144814488 has 128 divisors (see below), whose sum is σ = 453304320. Its totient is φ = 37532160.

The previous prime is 144814477. The next prime is 144814493. The reversal of 144814488 is 884418441.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 132681 + ... + 133767.

It is an arithmetic number, because the mean of its divisors is an integer number (3541440).

Almost surely, 2144814488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144814488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226652160).

144814488 is an abundant number, since it is smaller than the sum of its proper divisors (308489832).

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

144814488 is a wasteful number, since it uses less digits than its factorization.

144814488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1173 counting only the distinct ones).

The product of its digits is 131072, while the sum is 42.

The square root of 144814488 is about 12033.8891469051. The cubic root of 144814488 is about 525.1346448303.

The spelling of 144814488 in words is "one hundred forty-four million, eight hundred fourteen thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 61 78 84 91 104 122 156 168 182 183 244 273 312 364 366 427 488 546 728 732 793 854 1087 1092 1281 1464 1586 1708 2174 2184 2379 2562 3172 3261 3416 4348 4758 5124 5551 6344 6522 7609 8696 9516 10248 11102 13044 14131 15218 16653 19032 22204 22827 26088 28262 30436 33306 42393 44408 45654 56524 60872 66307 66612 84786 91308 98917 113048 132614 133224 169572 182616 197834 198921 265228 296751 339144 395668 397842 464149 530456 593502 791336 795684 861991 928298 1187004 1392447 1591368 1723982 1856596 2374008 2585973 2784894 3447964 3713192 5171946 5569788 6033937 6895928 10343892 11139576 12067874 18101811 20687784 24135748 36203622 48271496 72407244 144814488