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53032212 = 2233491039
BaseRepresentation
bin1100101001001…
…1010100010100
310200210022112000
43022103110110
5102034012322
65132355300
71212523602
oct312232424
9120708460
1053032212
1127a31982
1215915b30
13acaa60c
147086872
1549c83ac
hex3293514

53032212 has 24 divisors (see below), whose sum is σ = 137491200. Its totient is φ = 17677368.

The previous prime is 53032193. The next prime is 53032283. The reversal of 53032212 is 21223035.

It is a super-2 number, since 2×530322122 = 5624831019225888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 245412 + ... + 245627.

It is an arithmetic number, because the mean of its divisors is an integer number (5728800).

Almost surely, 253032212 is an apocalyptic number.

It is an amenable number.

53032212 is an abundant number, since it is smaller than the sum of its proper divisors (84458988).

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

53032212 is a wasteful number, since it uses less digits than its factorization.

53032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491052 (or 491044 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 53032212 is about 7282.3218824768. The cubic root of 53032212 is about 375.7046590523.

Adding to 53032212 its reverse (21223035), we get a palindrome (74255247).

The spelling of 53032212 in words is "fifty-three million, thirty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 491039 982078 1473117 1964156 2946234 4419351 5892468 8838702 13258053 17677404 26516106 53032212