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144479422 = 2232136559
BaseRepresentation
bin10001001110010…
…01010010111110
3101001212022111201
420213021102332
5243441320142
622200410114
73403024543
oct1047112276
9331768451
10144479422
117461158a
124047693a
1323c181a9
141528cbca
15ca3dab7
hex89c94be

144479422 has 12 divisors (see below), whose sum is σ = 226553040. Its totient is φ = 69098348.

The previous prime is 144479383. The next prime is 144479429. The reversal of 144479422 is 224974441.

It is a happy number.

144479422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144479429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67222 + ... + 69337.

It is an arithmetic number, because the mean of its divisors is an integer number (18879420).

Almost surely, 2144479422 is an apocalyptic number.

144479422 is a deficient number, since it is larger than the sum of its proper divisors (82073618).

144479422 is a wasteful number, since it uses less digits than its factorization.

144479422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136607 (or 136584 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 144479422 is about 12019.9593177348. The cubic root of 144479422 is about 524.7293201795.

The spelling of 144479422 in words is "one hundred forty-four million, four hundred seventy-nine thousand, four hundred twenty-two".

Divisors: 1 2 23 46 529 1058 136559 273118 3140857 6281714 72239711 144479422