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144939927 = 3114392119
BaseRepresentation
bin10001010001110…
…01101110010111
3101002201201012110
420220321232113
5244101034202
622214322103
73406653246
oct1050715627
9332651173
10144939927
11748a6570
1240659333
1324049992
141536c95d
15cad026c
hex8a39b97

144939927 has 8 divisors (see below), whose sum is σ = 210821760. Its totient is φ = 87842360.

The previous prime is 144939889. The next prime is 144939947. The reversal of 144939927 is 729939441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144939927 - 26 = 144939863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144939947) 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, 2196027 + ... + 2196092.

It is an arithmetic number, because the mean of its divisors is an integer number (26352720).

Almost surely, 2144939927 is an apocalyptic number.

144939927 is a deficient number, since it is larger than the sum of its proper divisors (65881833).

144939927 is a wasteful number, since it uses less digits than its factorization.

144939927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392133.

The product of its digits is 489888, while the sum is 48.

The square root of 144939927 is about 12039.0999248283. The cubic root of 144939927 is about 525.2862257831.

The spelling of 144939927 in words is "one hundred forty-four million, nine hundred thirty-nine thousand, nine hundred twenty-seven".

Divisors: 1 3 11 33 4392119 13176357 48313309 144939927