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144023550 = 235211191457
BaseRepresentation
bin10001001010110…
…01111111111110
3101001000011011120
420211121333332
5243332223200
622142531410
73366115506
oct1045317776
9331004146
10144023550
1174330030
1240296b66
1323ab8848
14151b0a06
15c99d9a0
hex8959ffe

144023550 has 96 divisors (see below), whose sum is σ = 392546304. Its totient is φ = 34656000.

The previous prime is 144023533. The next prime is 144023567. The reversal of 144023550 is 55320441.

It is an interprime number because it is at equal distance from previous prime (144023533) and next prime (144023567).

It is a self number, because there is not a number n which added to its sum of digits gives 144023550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314922 + ... + 315378.

It is an arithmetic number, because the mean of its divisors is an integer number (4089024).

Almost surely, 2144023550 is an apocalyptic number.

144023550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144023550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196273152).

144023550 is an abundant number, since it is smaller than the sum of its proper divisors (248522754).

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

144023550 is a wasteful number, since it uses less digits than its factorization.

144023550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 144023550 is about 12000.9812098845. The cubic root of 144023550 is about 524.1768506453.

Adding to 144023550 its reverse (55320441), we get a palindrome (199343991).

The spelling of 144023550 in words is "one hundred forty-four million, twenty-three thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 11 15 22 25 30 33 50 55 66 75 110 150 165 191 275 330 382 457 550 573 825 914 955 1146 1371 1650 1910 2101 2285 2742 2865 4202 4570 4775 5027 5730 6303 6855 9550 10054 10505 11425 12606 13710 14325 15081 21010 22850 25135 28650 30162 31515 34275 50270 52525 63030 68550 75405 87287 105050 125675 150810 157575 174574 251350 261861 315150 377025 436435 523722 754050 872870 960157 1309305 1920314 2182175 2618610 2880471 4364350 4800785 5760942 6546525 9601570 13093050 14402355 24003925 28804710 48007850 72011775 144023550