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144746349 = 3116177109
BaseRepresentation
bin10001010000010…
…10011101101101
3101002100212122220
420220022131231
5244023340344
622210225553
73405216006
oct1050123555
9332325586
10144746349
1174784090
12405852b9
1323cac837
141531c1ad
15ca92c19
hex8a0a76d

144746349 has 16 divisors (see below), whose sum is σ = 210911040. Its totient is φ = 87570560.

The previous prime is 144746297. The next prime is 144746353. The reversal of 144746349 is 943647441.

It is not a de Polignac number, because 144746349 - 28 = 144746093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144746349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144746369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16807 + ... + 23915.

It is an arithmetic number, because the mean of its divisors is an integer number (13181940).

Almost surely, 2144746349 is an apocalyptic number.

It is an amenable number.

144746349 is a deficient number, since it is larger than the sum of its proper divisors (66164691).

144746349 is a wasteful number, since it uses less digits than its factorization.

144746349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740.

The product of its digits is 290304, while the sum is 42.

The square root of 144746349 is about 12031.0576841772. The cubic root of 144746349 is about 525.0522687189.

The spelling of 144746349 in words is "one hundred forty-four million, seven hundred forty-six thousand, three hundred forty-nine".

Divisors: 1 3 11 33 617 1851 6787 7109 20361 21327 78199 234597 4386253 13158759 48248783 144746349