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144473450 = 25211347757
BaseRepresentation
bin10001001110001…
…11110101101010
3101001212000022112
420213013311222
5243441122300
622200322322
73403001252
oct1047076552
9331760275
10144473450
1174608050
12404733a2
1323c15564
141528a962
15ca3be35
hex89c7d6a

144473450 has 48 divisors (see below), whose sum is σ = 294382944. Its totient is φ = 52315200.

The previous prime is 144473411. The next prime is 144473453. The reversal of 144473450 is 54374441.

It is not an unprimeable number, because it can be changed into a prime (144473453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190472 + ... + 191228.

It is an arithmetic number, because the mean of its divisors is an integer number (6132978).

Almost surely, 2144473450 is an apocalyptic number.

144473450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144473450 is an abundant number, since it is smaller than the sum of its proper divisors (149909494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144473450 is a wasteful number, since it uses less digits than its factorization.

144473450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 144473450 is about 12019.7108950257. The cubic root of 144473450 is about 524.7220902533.

Subtracting from 144473450 its reverse (54374441), we obtain a palindrome (90099009).

The spelling of 144473450 in words is "one hundred forty-four million, four hundred seventy-three thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 347 550 694 757 1514 1735 3470 3785 3817 7570 7634 8327 8675 16654 17350 18925 19085 37850 38170 41635 83270 95425 190850 208175 262679 416350 525358 1313395 2626790 2889469 5778938 6566975 13133950 14447345 28894690 72236725 144473450