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52061445 = 3253373433
BaseRepresentation
bin1100011010011…
…0010100000101
310121221222212200
43012212110011
5101311431240
65055505113
71201341432
oct306462405
9117858780
1052061445
1127429597
1215528199
13aa2a7b7
146cb2b89
154885930
hex31a6505

52061445 has 24 divisors (see below), whose sum is σ = 90533976. Its totient is φ = 27675648.

The previous prime is 52061419. The next prime is 52061447. The reversal of 52061445 is 54416025.

52061445 is a `hidden beast` number, since 5 + 2 + 0 + 614 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 695556 + 51365889 = 834^2 + 7167^2 .

It is not a de Polignac number, because 52061445 - 26 = 52061381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52061447) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 13449 + ... + 16881.

It is an arithmetic number, because the mean of its divisors is an integer number (3772249).

Almost surely, 252061445 is an apocalyptic number.

It is an amenable number.

52061445 is a deficient number, since it is larger than the sum of its proper divisors (38472531).

52061445 is a wasteful number, since it uses less digits than its factorization.

52061445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781 (or 3778 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 52061445 is about 7215.3617372936. The cubic root of 52061445 is about 373.3980732930.

The spelling of 52061445 in words is "fifty-two million, sixty-one thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 45 337 1011 1685 3033 3433 5055 10299 15165 17165 30897 51495 154485 1156921 3470763 5784605 10412289 17353815 52061445