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53425069 = 401313313
BaseRepresentation
bin1100101111001…
…1001110101101
310201112021102021
43023303032231
5102134100234
65145030141
71216051135
oct313631655
9121467367
1053425069
1128180055
1215a85351
13b0b7389
147149ac5
154a549b4
hex32f33ad

53425069 has 4 divisors (see below), whose sum is σ = 53442396. Its totient is φ = 53407744.

The previous prime is 53425039. The next prime is 53425079. The reversal of 53425069 is 96052435.

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 32604100 + 20820969 = 5710^2 + 4563^2 .

It is a cyclic number.

It is not a de Polignac number, because 53425069 - 25 = 53425037 is a prime.

It is a super-3 number, since 3×534250693 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53425019) 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, 2644 + ... + 10669.

It is an arithmetic number, because the mean of its divisors is an integer number (13360599).

Almost surely, 253425069 is an apocalyptic number.

It is an amenable number.

53425069 is a deficient number, since it is larger than the sum of its proper divisors (17327).

53425069 is a wasteful number, since it uses less digits than its factorization.

53425069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17326.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 53425069 is about 7309.2454466928. The cubic root of 53425069 is about 376.6301043513.

The spelling of 53425069 in words is "fifty-three million, four hundred twenty-five thousand, sixty-nine".

Divisors: 1 4013 13313 53425069