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144173712 = 2434173259
BaseRepresentation
bin10001001011111…
…10101010010000
3101001021210011010
420211332222100
5243402024322
622150050520
73400312344
oct1045765220
9331253133
10144173712
1174422931
1240349a40
1323b3bcb7
141520d624
15c9cd20c
hex897ea90

144173712 has 40 divisors (see below), whose sum is σ = 381538080. Its totient is φ = 46885120.

The previous prime is 144173693. The next prime is 144173713. The reversal of 144173712 is 217371441.

It is a self number, because there is not a number n which added to its sum of digits gives 144173712.

It is not an unprimeable number, because it can be changed into a prime (144173713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34662 + ... + 38597.

It is an arithmetic number, because the mean of its divisors is an integer number (9538452).

Almost surely, 2144173712 is an apocalyptic number.

144173712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144173712 is an abundant number, since it is smaller than the sum of its proper divisors (237364368).

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

144173712 is a wasteful number, since it uses less digits than its factorization.

144173712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73311 (or 73305 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 144173712 is about 12007.2358184555. The cubic root of 144173712 is about 524.3589599940.

The spelling of 144173712 in words is "one hundred forty-four million, one hundred seventy-three thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 41 48 82 123 164 246 328 492 656 984 1968 73259 146518 219777 293036 439554 586072 879108 1172144 1758216 3003619 3516432 6007238 9010857 12014476 18021714 24028952 36043428 48057904 72086856 144173712