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53418065 = 527738569
BaseRepresentation
bin1100101111000…
…1100001010001
310201111220210212
43023301201101
5102133334230
65144533505
71216021541
oct313614121
9121456725
1053418065
1128175868
1215a81295
13b0b412c
147147321
154a52895
hex32f1851

53418065 has 8 divisors (see below), whose sum is σ = 64334760. Its totient is φ = 42579072.

The previous prime is 53418061. The next prime is 53418073. The reversal of 53418065 is 56081435.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2666689 + 50751376 = 1633^2 + 7124^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53418065 - 22 = 53418061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53418061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17900 + ... + 20669.

It is an arithmetic number, because the mean of its divisors is an integer number (8041845).

Almost surely, 253418065 is an apocalyptic number.

It is an amenable number.

53418065 is a deficient number, since it is larger than the sum of its proper divisors (10916695).

53418065 is a wasteful number, since it uses less digits than its factorization.

53418065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38851.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 53418065 is about 7308.7663117656. The cubic root of 53418065 is about 376.6136449588.

The spelling of 53418065 in words is "fifty-three million, four hundred eighteen thousand, sixty-five".

Divisors: 1 5 277 1385 38569 192845 10683613 53418065