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52442620 = 22517154243
BaseRepresentation
bin1100100000001…
…1010111111100
310122200100202021
43020003113330
5101411130440
65112005524
71204516636
oct310032774
9118610667
1052442620
1127669a0a
12156908a4
13ab32149
146d71a56
15490d84a
hex32035fc

52442620 has 24 divisors (see below), whose sum is σ = 116608464. Its totient is φ = 19742976.

The previous prime is 52442597. The next prime is 52442623. The reversal of 52442620 is 2624425.

52442620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52442623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76782 + ... + 77461.

It is an arithmetic number, because the mean of its divisors is an integer number (4858686).

Almost surely, 252442620 is an apocalyptic number.

It is an amenable number.

52442620 is an abundant number, since it is smaller than the sum of its proper divisors (64165844).

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

52442620 is a wasteful number, since it uses less digits than its factorization.

52442620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154269 (or 154267 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 52442620 is about 7241.7276944111. The cubic root of 52442620 is about 374.3071532834.

The spelling of 52442620 in words is "fifty-two million, four hundred forty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 154243 308486 616972 771215 1542430 2622131 3084860 5244262 10488524 13110655 26221310 52442620