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144893838 = 235328597
BaseRepresentation
bin10001010001011…
…10011110001110
3101002122100222110
420220232132032
5244043100323
622213324450
73406402005
oct1050563616
9332570873
10144893838
1174874981
1240636726
13240319cb
1415359c3c
15cac1793
hex8a2e78e

144893838 has 24 divisors (see below), whose sum is σ = 295392888. Its totient is φ = 47381152.

The previous prime is 144893807. The next prime is 144893843. The reversal of 144893838 is 838398441.

144893838 is digitally balanced in base 2 and base 3, because in such bases 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 11 ways as a sum of consecutive naturals, for example, 12556 + ... + 21152.

It is an arithmetic number, because the mean of its divisors is an integer number (12308037).

Almost surely, 2144893838 is an apocalyptic number.

144893838 is an abundant number, since it is smaller than the sum of its proper divisors (150499050).

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

144893838 is an equidigital number, since it uses as much as digits as its factorization.

144893838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708 (or 8655 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 144893838 is about 12037.1856345244. The cubic root of 144893838 is about 525.2305418319.

The spelling of 144893838 in words is "one hundred forty-four million, eight hundred ninety-three thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 53 106 159 318 2809 5618 8427 8597 16854 17194 25791 51582 455641 911282 1366923 2733846 24148973 48297946 72446919 144893838