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53802241 = 73737017
BaseRepresentation
bin1100110100111…
…1010100000001
310202020102210121
43031033110001
5102233132431
65201100241
71222211563
oct315172401
9122212717
1053802241
1128408469
1216027681
13b1b9c5c
147207333
154acb611
hex334f501

53802241 has 4 divisors (see below), whose sum is σ = 54539332. Its totient is φ = 53065152.

The previous prime is 53802211. The next prime is 53802247. The reversal of 53802241 is 14220835.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30569841 + 23232400 = 5529^2 + 4820^2 .

It is a cyclic number.

It is not a de Polignac number, because 53802241 - 27 = 53802113 is a prime.

It is a super-2 number, since 2×538022412 = 5789362273244162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53802247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368436 + ... + 368581.

It is an arithmetic number, because the mean of its divisors is an integer number (13634833).

Almost surely, 253802241 is an apocalyptic number.

It is an amenable number.

53802241 is a deficient number, since it is larger than the sum of its proper divisors (737091).

53802241 is an equidigital number, since it uses as much as digits as its factorization.

53802241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737090.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 53802241 is about 7335.0010906611. The cubic root of 53802241 is about 377.5143418085.

The spelling of 53802241 in words is "fifty-three million, eight hundred two thousand, two hundred forty-one".

Divisors: 1 73 737017 53802241