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144396032 = 2811471091
BaseRepresentation
bin10001001101101…
…00111100000000
3101001201002010012
420212310330000
5243431133112
622154524052
73402226454
oct1046647400
9331632105
10144396032
1174564970
1240436628
1323bb9251
141526a664
15ca24022
hex89b4f00

144396032 has 72 divisors (see below), whose sum is σ = 321414912. Its totient is φ = 64179200.

The previous prime is 144396023. The next prime is 144396041. The reversal of 144396032 is 230693441.

It is an interprime number because it is at equal distance from previous prime (144396023) and next prime (144396041).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 144396032.

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 7 ways as a sum of consecutive naturals, for example, 131807 + ... + 132897.

It is an arithmetic number, because the mean of its divisors is an integer number (4464096).

Almost surely, 2144396032 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 144396032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160707456).

144396032 is an abundant number, since it is smaller than the sum of its proper divisors (177018880).

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

144396032 is a wasteful number, since it uses less digits than its factorization.

144396032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 144396032 is about 12016.4900033246. The cubic root of 144396032 is about 524.6283470937.

The spelling of 144396032 in words is "one hundred forty-four million, three hundred ninety-six thousand, thirty-two".

Divisors: 1 2 4 8 11 16 22 32 44 47 64 88 94 128 176 188 256 352 376 517 704 752 1034 1091 1408 1504 2068 2182 2816 3008 4136 4364 6016 8272 8728 12001 12032 16544 17456 24002 33088 34912 48004 51277 66176 69824 96008 102554 132352 139648 192016 205108 279296 384032 410216 564047 768064 820432 1128094 1536128 1640864 2256188 3072256 3281728 4512376 6563456 9024752 13126912 18049504 36099008 72198016 144396032