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144478412 = 22134396329
BaseRepresentation
bin10001001110010…
…01000011001100
3101001212021010022
420213021003030
5243441302122
622200401312
73403021601
oct1047110314
9331767108
10144478412
1174610851
1240476238
1323c178b0
141528c6a8
15ca3d642
hex89c90cc

144478412 has 24 divisors (see below), whose sum is σ = 272949600. Its totient is φ = 66519936.

The previous prime is 144478403. The next prime is 144478429. The reversal of 144478412 is 214874441.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19664 + ... + 25992.

It is an arithmetic number, because the mean of its divisors is an integer number (11372900).

Almost surely, 2144478412 is an apocalyptic number.

It is an amenable number.

144478412 is a deficient number, since it is larger than the sum of its proper divisors (128471188).

144478412 is a wasteful number, since it uses less digits than its factorization.

144478412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6785 (or 6783 counting only the distinct ones).

The product of its digits is 28672, while the sum is 35.

The square root of 144478412 is about 12019.9173042080. The cubic root of 144478412 is about 524.7280974498.

The spelling of 144478412 in words is "one hundred forty-four million, four hundred seventy-eight thousand, four hundred twelve".

Divisors: 1 2 4 13 26 52 439 878 1756 5707 6329 11414 12658 22828 25316 82277 164554 329108 2778431 5556862 11113724 36119603 72239206 144478412