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144650228 = 2242718467
BaseRepresentation
bin10001001111100…
…10111111110100
3101002011222210212
420213302333310
5244012301403
622204204552
73404335532
oct1047627764
9332158725
10144650228
1174718948
1240539758
1323c77b68
14152d5152
15ca744d8
hex89f2ff4

144650228 has 12 divisors (see below), whose sum is σ = 253227072. Its totient is φ = 72299640.

The previous prime is 144650227. The next prime is 144650251. The reversal of 144650228 is 822056441.

It is a junction number, because it is equal to n+sod(n) for n = 144650194 and 144650203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144650227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12851 + ... + 21317.

It is an arithmetic number, because the mean of its divisors is an integer number (21102256).

Almost surely, 2144650228 is an apocalyptic number.

It is an amenable number.

144650228 is a deficient number, since it is larger than the sum of its proper divisors (108576844).

144650228 is a wasteful number, since it uses less digits than its factorization.

144650228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12742 (or 12740 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 144650228 is about 12027.0623179561. The cubic root of 144650228 is about 524.9360200189.

The spelling of 144650228 in words is "one hundred forty-four million, six hundred fifty thousand, two hundred twenty-eight".

Divisors: 1 2 4 4271 8467 8542 16934 17084 33868 36162557 72325114 144650228