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14155144 = 2310211733
BaseRepresentation
bin110101111111…
…110110001000
3222122011012121
4311333312020
512110431034
61223221024
7231213433
oct65776610
928564177
1014155144
117a98a73
1248a7774
132c17c33
141c4681a
1513991b4
hexd7fd88

14155144 has 16 divisors (see below), whose sum is σ = 26582220. Its totient is φ = 7066560.

The previous prime is 14155129. The next prime is 14155147. The reversal of 14155144 is 44155141.

It can be written as a sum of positive squares in 2 ways, for example, as 14152644 + 2500 = 3762^2 + 50^2 .

It is not an unprimeable number, because it can be changed into a prime (14155147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7302 + ... + 9034.

Almost surely, 214155144 is an apocalyptic number.

It is an amenable number.

14155144 is a deficient number, since it is larger than the sum of its proper divisors (12427076).

14155144 is a wasteful number, since it uses less digits than its factorization.

14155144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760 (or 2756 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 14155144 is about 3762.3322553969. The cubic root of 14155144 is about 241.9012414914.

The spelling of 14155144 in words is "fourteen million, one hundred fifty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 1021 1733 2042 3466 4084 6932 8168 13864 1769393 3538786 7077572 14155144