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144674224 = 2465913721
BaseRepresentation
bin10001001111110…
…00110110110000
3101002020012201121
420213320312300
5244014033344
622204512024
73404465512
oct1047706660
9332205647
10144674224
1174734982
124054b614
1323c85a66
14152ddbb2
15ca7b684
hex89f8db0

144674224 has 20 divisors (see below), whose sum is σ = 280752120. Its totient is φ = 72222080.

The previous prime is 144674221. The next prime is 144674261. The reversal of 144674224 is 422476441.

144674224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1446742243 (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144674224.

It is not an unprimeable number, because it can be changed into a prime (144674221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3684 + ... + 17404.

It is an arithmetic number, because the mean of its divisors is an integer number (14037606).

Almost surely, 2144674224 is an apocalyptic number.

It is an amenable number.

144674224 is a deficient number, since it is larger than the sum of its proper divisors (136077896).

144674224 is a wasteful number, since it uses less digits than its factorization.

144674224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14388 (or 14382 counting only the distinct ones).

The product of its digits is 43008, while the sum is 34.

The square root of 144674224 is about 12028.0598601770. The cubic root of 144674224 is about 524.9650455942.

The spelling of 144674224 in words is "one hundred forty-four million, six hundred seventy-four thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 659 1318 2636 5272 10544 13721 27442 54884 109768 219536 9042139 18084278 36168556 72337112 144674224