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144517172 = 22347104119
BaseRepresentation
bin10001001110100…
…10100000110100
3101001221020021212
420213102200310
5243444022142
622201300552
73403242602
oct1047224064
9331836255
10144517172
1174637988
1240494758
1323c2c427
141529c872
15ca49d82
hex89d2834

144517172 has 12 divisors (see below), whose sum is σ = 253636320. Its totient is φ = 72049656.

The previous prime is 144517171. The next prime is 144517189. The reversal of 144517172 is 271715441.

144517172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144517171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50672 + ... + 53447.

It is an arithmetic number, because the mean of its divisors is an integer number (21136360).

Almost surely, 2144517172 is an apocalyptic number.

It is an amenable number.

144517172 is a deficient number, since it is larger than the sum of its proper divisors (109119148).

144517172 is a wasteful number, since it uses less digits than its factorization.

144517172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104470 (or 104468 counting only the distinct ones).

The product of its digits is 7840, while the sum is 32.

The square root of 144517172 is about 12021.5295199904. The cubic root of 144517172 is about 524.7750171297.

The spelling of 144517172 in words is "one hundred forty-four million, five hundred seventeen thousand, one hundred seventy-two".

Divisors: 1 2 4 347 694 1388 104119 208238 416476 36129293 72258586 144517172