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53730441 = 3213743577
BaseRepresentation
bin1100110011110…
…1110010001001
310202002210022100
43030331302021
5102223333231
65155344013
71221462342
oct314756211
9122083270
1053730441
1128369526
1215bb2009
13b19337b
1471c90c9
154ab51e6
hex333dc89

53730441 has 12 divisors (see below), whose sum is σ = 78178932. Its totient is φ = 35558016.

The previous prime is 53730437. The next prime is 53730463. The reversal of 53730441 is 14403735.

It can be written as a sum of positive squares in 2 ways, for example, as 22325625 + 31404816 = 4725^2 + 5604^2 .

It is not a de Polignac number, because 53730441 - 22 = 53730437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53730491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20556 + ... + 23021.

It is an arithmetic number, because the mean of its divisors is an integer number (6514911).

Almost surely, 253730441 is an apocalyptic number.

It is an amenable number.

53730441 is a deficient number, since it is larger than the sum of its proper divisors (24448491).

53730441 is a wasteful number, since it uses less digits than its factorization.

53730441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43720 (or 43717 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 53730441 is about 7330.1051152081. The cubic root of 53730441 is about 377.3463339599.

The spelling of 53730441 in words is "fifty-three million, seven hundred thirty thousand, four hundred forty-one".

Divisors: 1 3 9 137 411 1233 43577 130731 392193 5970049 17910147 53730441