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144285702 = 23113077121
BaseRepresentation
bin10001001100110…
…10000000000110
3101001111110202220
420212122000012
5243414120302
622152313210
73401260011
oct1046320006
9331443686
10144285702
1174499a90
12403a2806
1323b7ac72
141523c378
15ca014bc
hex899a006

144285702 has 32 divisors (see below), whose sum is σ = 315874944. Its totient is φ = 43574400.

The previous prime is 144285697. The next prime is 144285719. The reversal of 144285702 is 207582441.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16702 + ... + 23822.

It is an arithmetic number, because the mean of its divisors is an integer number (9871092).

Almost surely, 2144285702 is an apocalyptic number.

144285702 is an abundant number, since it is smaller than the sum of its proper divisors (171589242).

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

144285702 is a wasteful number, since it uses less digits than its factorization.

144285702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 144285702 is about 12011.8983512183. The cubic root of 144285702 is about 524.4946938503.

The spelling of 144285702 in words is "one hundred forty-four million, two hundred eighty-five thousand, seven hundred two".

Divisors: 1 2 3 6 11 22 33 66 307 614 921 1842 3377 6754 7121 10131 14242 20262 21363 42726 78331 156662 234993 469986 2186147 4372294 6558441 13116882 24047617 48095234 72142851 144285702