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144726474 = 23174134607
BaseRepresentation
bin10001010000001…
…01100111001010
3101002022212101210
420220011213022
5244022221344
622205553550
73405104034
oct1050054712
9332285353
10144726474
1174770162
12405758b6
1323ca3789
1415314c54
15ca8bdb9
hex8a059ca

144726474 has 32 divisors (see below), whose sum is σ = 313963776. Its totient is φ = 44295680.

The previous prime is 144726473. The next prime is 144726479. The reversal of 144726474 is 474627441.

It is a happy number.

144726474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (144726473) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13122 + ... + 21485.

It is an arithmetic number, because the mean of its divisors is an integer number (9811368).

Almost surely, 2144726474 is an apocalyptic number.

144726474 is an abundant number, since it is smaller than the sum of its proper divisors (169237302).

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

144726474 is a wasteful number, since it uses less digits than its factorization.

144726474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34670.

The product of its digits is 150528, while the sum is 39.

The square root of 144726474 is about 12030.2316685923. The cubic root of 144726474 is about 525.0282361231.

The spelling of 144726474 in words is "one hundred forty-four million, seven hundred twenty-six thousand, four hundred seventy-four".

Divisors: 1 2 3 6 17 34 41 51 82 102 123 246 697 1394 2091 4182 34607 69214 103821 207642 588319 1176638 1418887 1764957 2837774 3529914 4256661 8513322 24121079 48242158 72363237 144726474