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53012532 = 2234499839
BaseRepresentation
bin1100101000111…
…0100000110100
310200202022112010
43022032200310
5102032400112
65132124220
71212412326
oct312164064
9120668463
1053012532
1127a19111
1215906670
13aca1681
14707d616
1549c263c
hex328e834

53012532 has 24 divisors (see below), whose sum is σ = 123984000. Its totient is φ = 17629696.

The previous prime is 53012521. The next prime is 53012567. The reversal of 53012532 is 23521035.

It is a super-4 number, since 4×530125324 (a number of 32 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53012499 and 53012508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469 + ... + 10307.

It is an arithmetic number, because the mean of its divisors is an integer number (5166000).

Almost surely, 253012532 is an apocalyptic number.

It is an amenable number.

53012532 is an abundant number, since it is smaller than the sum of its proper divisors (70971468).

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

53012532 is a wasteful number, since it uses less digits than its factorization.

53012532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10295 (or 10293 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53012532 is about 7280.9705397014. The cubic root of 53012532 is about 375.6581792355.

Adding to 53012532 its reverse (23521035), we get a palindrome (76533567).

The spelling of 53012532 in words is "fifty-three million, twelve thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 449 898 1347 1796 2694 5388 9839 19678 29517 39356 59034 118068 4417711 8835422 13253133 17670844 26506266 53012532