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53281962 = 234328901
BaseRepresentation
bin1100101101000…
…0010010101010
310201021000010000
43023100102222
5102120010322
65142003430
71214613666
oct313202252
9121230100
1053281962
1128092588
1215a16576
13b0671b6
14710d8a6
154a273ac
hex32d04aa

53281962 has 20 divisors (see below), whose sum is σ = 119391426. Its totient is φ = 17760600.

The previous prime is 53281939. The next prime is 53281979. The reversal of 53281962 is 26918235.

It can be written as a sum of positive squares in only one way, i.e., 53275401 + 6561 = 7299^2 + 81^2 .

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 9 ways as a sum of consecutive naturals, for example, 164289 + ... + 164612.

Almost surely, 253281962 is an apocalyptic number.

53281962 is an abundant number, since it is smaller than the sum of its proper divisors (66109464).

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

53281962 is a wasteful number, since it uses less digits than its factorization.

53281962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328915 (or 328906 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 53281962 is about 7299.4494312927. The cubic root of 53281962 is about 376.2935170396.

The spelling of 53281962 in words is "fifty-three million, two hundred eighty-one thousand, nine hundred sixty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 328901 657802 986703 1973406 2960109 5920218 8880327 17760654 26640981 53281962