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144210422 = 2172249499
BaseRepresentation
bin10001001100001…
…11100111110110
3101001100122111202
420212013213312
5243404213142
622150532502
73400524356
oct1046074766
9331318452
10144210422
1174448474
1240367132
1323b52915
141521cb66
15c9d9032
hex89879f6

144210422 has 12 divisors (see below), whose sum is σ = 229789500. Its totient is φ = 67863456.

The previous prime is 144210413. The next prime is 144210431. The reversal of 144210422 is 224012441.

It is an interprime number because it is at equal distance from previous prime (144210413) and next prime (144210431).

It is a junction number, because it is equal to n+sod(n) for n = 144210394 and 144210403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124172 + ... + 125327.

It is an arithmetic number, because the mean of its divisors is an integer number (19149125).

Almost surely, 2144210422 is an apocalyptic number.

144210422 is a deficient number, since it is larger than the sum of its proper divisors (85579078).

144210422 is a wasteful number, since it uses less digits than its factorization.

144210422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249535 (or 249518 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 144210422 is about 12008.7643827331. The cubic root of 144210422 is about 524.4034609034.

Adding to 144210422 its reverse (224012441), we get a palindrome (368222863).

The spelling of 144210422 in words is "one hundred forty-four million, two hundred ten thousand, four hundred twenty-two".

Divisors: 1 2 17 34 289 578 249499 498998 4241483 8482966 72105211 144210422