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144408268 = 221712771663
BaseRepresentation
bin10001001101101…
…11111011001100
3101001201200220101
420212313323030
5243432031033
622155100444
73402310234
oct1046677314
9331650811
10144408268
1174573084
1240441724
1323bc19a4
1415270cc4
15ca2797d
hex89b7ecc

144408268 has 24 divisors (see below), whose sum is σ = 267950592. Its totient is φ = 67862784.

The previous prime is 144408247. The next prime is 144408269. The reversal of 144408268 is 862804441.

It is not an unprimeable number, because it can be changed into a prime (144408269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86005 + ... + 87667.

It is an arithmetic number, because the mean of its divisors is an integer number (11164608).

Almost surely, 2144408268 is an apocalyptic number.

It is an amenable number.

144408268 is a deficient number, since it is larger than the sum of its proper divisors (123542324).

144408268 is a wasteful number, since it uses less digits than its factorization.

144408268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961 (or 2959 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 144408268 is about 12016.9991262378. Note that the first 3 decimals coincide. The cubic root of 144408268 is about 524.6431655321.

It can be divided in two parts, 1444082 and 68, that added together give a triangular number (1444150 = T1699).

The spelling of 144408268 in words is "one hundred forty-four million, four hundred eight thousand, two hundred sixty-eight".

Divisors: 1 2 4 17 34 68 1277 1663 2554 3326 5108 6652 21709 28271 43418 56542 86836 113084 2123651 4247302 8494604 36102067 72204134 144408268