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144427000 = 2353144427
BaseRepresentation
bin10001001101111…
…00011111111000
3101001202122121011
420212330133320
5243433131000
622155323304
73402415654
oct1046743770
9331678534
10144427000
1174586163
1240450534
1323bca383
1415277a64
15ca2d2ba
hex89bc7f8

144427000 has 32 divisors (see below), whose sum is σ = 337961520. Its totient is φ = 57770400.

The previous prime is 144426941. The next prime is 144427001. The reversal of 144427000 is 724441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144427001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71214 + ... + 73213.

Almost surely, 2144427000 is an apocalyptic number.

144427000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144427000 is an abundant number, since it is smaller than the sum of its proper divisors (193534520).

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

144427000 is a wasteful number, since it uses less digits than its factorization.

144427000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144448 (or 144434 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 144427000 is about 12017.7784968770. The cubic root of 144427000 is about 524.6658493461.

The spelling of 144427000 in words is "one hundred forty-four million, four hundred twenty-seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 144427 288854 577708 722135 1155416 1444270 2888540 3610675 5777080 7221350 14442700 18053375 28885400 36106750 72213500 144427000