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144344272 = 24411391583
BaseRepresentation
bin10001001101010…
…00010011010000
3101001121110010011
420212220103100
5243423004042
622153444304
73401622532
oct1046502320
9331543104
10144344272
1174529a96
1240410694
1323b9b817
1415255852
15ca13a17
hex89a84d0

144344272 has 40 divisors (see below), whose sum is σ = 288731520. Its totient is φ = 69861120.

The previous prime is 144344269. The next prime is 144344309. The reversal of 144344272 is 272443441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90393 + ... + 91975.

It is an arithmetic number, because the mean of its divisors is an integer number (7218288).

Almost surely, 2144344272 is an apocalyptic number.

It is an amenable number.

144344272 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

144344272 is a wasteful number, since it uses less digits than its factorization.

144344272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771 (or 1765 counting only the distinct ones).

The product of its digits is 21504, while the sum is 31.

The square root of 144344272 is about 12014.3361031727. The cubic root of 144344272 is about 524.5656537538.

The spelling of 144344272 in words is "one hundred forty-four million, three hundred forty-four thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 41 82 139 164 278 328 556 656 1112 1583 2224 3166 5699 6332 11398 12664 22796 25328 45592 64903 91184 129806 220037 259612 440074 519224 880148 1038448 1760296 3520592 9021517 18043034 36086068 72172136 144344272