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144033239 = 747894919
BaseRepresentation
bin10001001010111…
…00010111010111
3101001000122110102
420211130113113
5243333030424
622143044315
73366155660
oct1045342727
9331018412
10144033239
1174337339
12402a069b
1323ac008c
14151b4367
15c9a17ae
hex895c5d7

144033239 has 16 divisors (see below), whose sum is σ = 170035200. Its totient is φ = 119448384.

The previous prime is 144033229. The next prime is 144033259. The reversal of 144033239 is 932330441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144033239 is a prime.

It is a super-2 number, since 2×1440332392 = 41491147873662242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144033229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26822 + ... + 31740.

It is an arithmetic number, because the mean of its divisors is an integer number (10627200).

Almost surely, 2144033239 is an apocalyptic number.

144033239 is a deficient number, since it is larger than the sum of its proper divisors (26001961).

144033239 is an equidigital number, since it uses as much as digits as its factorization.

144033239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 144033239 is about 12001.3848784213. The cubic root of 144033239 is about 524.1886048240.

The spelling of 144033239 in words is "one hundred forty-four million, thirty-three thousand, two hundred thirty-nine".

Divisors: 1 7 47 89 329 623 4183 4919 29281 34433 231193 437791 1618351 3064537 20576177 144033239