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53850017 = 134142309
BaseRepresentation
bin1100110101101…
…0111110100001
310202022212100002
43031122332201
5102241200032
65202105345
71222501064
oct315327641
9122285302
1053850017
1128440351
121604b255
13b205920
14721a8db
154ada862
hex335afa1

53850017 has 4 divisors (see below), whose sum is σ = 57992340. Its totient is φ = 49707696.

The previous prime is 53850011. The next prime is 53850019. The reversal of 53850017 is 71005835.

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 18696976 + 35153041 = 4324^2 + 5929^2 .

It is a cyclic number.

It is not a de Polignac number, because 53850017 - 24 = 53850001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53850011) 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, 2071142 + ... + 2071167.

It is an arithmetic number, because the mean of its divisors is an integer number (14498085).

Almost surely, 253850017 is an apocalyptic number.

It is an amenable number.

53850017 is a deficient number, since it is larger than the sum of its proper divisors (4142323).

53850017 is a wasteful number, since it uses less digits than its factorization.

53850017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142322.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 53850017 is about 7338.2570818962. The cubic root of 53850017 is about 377.6260520821.

The spelling of 53850017 in words is "fifty-three million, eight hundred fifty thousand, seventeen".

Divisors: 1 13 4142309 53850017