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52161468 = 22331281499
BaseRepresentation
bin1100011011111…
…0101110111100
310122011002002020
43012332232330
5101323131333
65102000140
71202236152
oct306765674
9118132066
1052161468
1127497757
1215576050
13aa64198
146cdb3d2
1548a53b3
hex31bebbc

52161468 has 48 divisors (see below), whose sum is σ = 126336000. Its totient is φ = 16732800.

The previous prime is 52161427. The next prime is 52161481. The reversal of 52161468 is 86416125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104283 + ... + 104781.

It is an arithmetic number, because the mean of its divisors is an integer number (2632000).

Almost surely, 252161468 is an apocalyptic number.

It is an amenable number.

52161468 is an abundant number, since it is smaller than the sum of its proper divisors (74174532).

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

52161468 is a wasteful number, since it uses less digits than its factorization.

52161468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 816 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 52161468 is about 7222.2896646424. The cubic root of 52161468 is about 373.6370505404.

The spelling of 52161468 in words is "fifty-two million, one hundred sixty-one thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 281 372 499 562 843 998 1124 1497 1686 1996 2994 3372 5988 8711 15469 17422 26133 30938 34844 46407 52266 61876 92814 104532 140219 185628 280438 420657 560876 841314 1682628 4346789 8693578 13040367 17387156 26080734 52161468