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144413452 = 22191900177
BaseRepresentation
bin10001001101110…
…01001100001100
3101001201222000101
420212321030030
5243432212302
622155140444
73402331321
oct1046711414
9331658011
10144413452
1174576a67
1240444724
1323bc4161
1415272b48
15ca29287
hex89b930c

144413452 has 12 divisors (see below), whose sum is σ = 266024920. Its totient is φ = 68406336.

The previous prime is 144413387. The next prime is 144413473. The reversal of 144413452 is 254314441.

It is a super-3 number, since 3×1444134523 (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144413452.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950013 + ... + 950164.

Almost surely, 2144413452 is an apocalyptic number.

It is an amenable number.

144413452 is a deficient number, since it is larger than the sum of its proper divisors (121611468).

144413452 is a wasteful number, since it uses less digits than its factorization.

144413452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900200 (or 1900198 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 144413452 is about 12017.2148187506. The cubic root of 144413452 is about 524.6494433759.

Adding to 144413452 its reverse (254314441), we get a palindrome (398727893).

The spelling of 144413452 in words is "one hundred forty-four million, four hundred thirteen thousand, four hundred fifty-two".

Divisors: 1 2 4 19 38 76 1900177 3800354 7600708 36103363 72206726 144413452