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52441521 = 3112731979
BaseRepresentation
bin1100100000001…
…1000110110001
310122200022020120
43020003012301
5101411112041
65112000453
71204513506
oct310030661
9118608216
1052441521
1127669100
1215690129
13ab317b2
146d714ad
15490d366
hex32031b1

52441521 has 24 divisors (see below), whose sum is σ = 77948640. Its totient is φ = 31331520.

The previous prime is 52441511. The next prime is 52441531. The reversal of 52441521 is 12514425.

It is an interprime number because it is at equal distance from previous prime (52441511) and next prime (52441531).

It is not a de Polignac number, because 52441521 - 25 = 52441489 is a prime.

It is a super-2 number, since 2×524415212 = 5500226249586882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52441491 and 52441500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52441511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25510 + ... + 27488.

It is an arithmetic number, because the mean of its divisors is an integer number (3247860).

Almost surely, 252441521 is an apocalyptic number.

It is an amenable number.

52441521 is a deficient number, since it is larger than the sum of its proper divisors (25507119).

52441521 is a wasteful number, since it uses less digits than its factorization.

52441521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 2066 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 52441521 is about 7241.6518143308. The cubic root of 52441521 is about 374.3045385753.

Adding to 52441521 its reverse (12514425), we get a palindrome (64955946).

The spelling of 52441521 in words is "fifty-two million, four hundred forty-one thousand, five hundred twenty-one".

Divisors: 1 3 11 33 73 121 219 363 803 1979 2409 5937 8833 21769 26499 65307 144467 239459 433401 718377 1589137 4767411 17480507 52441521