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144340284 = 223111093487
BaseRepresentation
bin10001001101001…
…11010100111100
3101001121020122110
420212213110330
5243422342114
622153414020
73401605104
oct1046472474
9331536573
10144340284
1174526aa0
124040a310
1323b99a6a
1415254204
15ca12759
hex89a753c

144340284 has 24 divisors (see below), whose sum is σ = 367411968. Its totient is φ = 43739440.

The previous prime is 144340223. The next prime is 144340327. The reversal of 144340284 is 482043441.

144340284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546612 + ... + 546875.

It is an arithmetic number, because the mean of its divisors is an integer number (15308832).

Almost surely, 2144340284 is an apocalyptic number.

It is an amenable number.

144340284 is an abundant number, since it is smaller than the sum of its proper divisors (223071684).

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

144340284 is a wasteful number, since it uses less digits than its factorization.

144340284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093505 (or 1093503 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 144340284 is about 12014.1701336380. The cubic root of 144340284 is about 524.5608227410.

The spelling of 144340284 in words is "one hundred forty-four million, three hundred forty thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1093487 2186974 3280461 4373948 6560922 12028357 13121844 24056714 36085071 48113428 72170142 144340284