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53851345 = 510770269
BaseRepresentation
bin1100110101101…
…1010011010001
310202022221011021
43031123103101
5102241220340
65202115441
71222505002
oct315332321
9122287137
1053851345
1128441349
121604bb81
13b206402
14721b1a9
154adae4a
hex335b4d1

53851345 has 4 divisors (see below), whose sum is σ = 64621620. Its totient is φ = 43081072.

The previous prime is 53851307. The next prime is 53851363. The reversal of 53851345 is 54315835.

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 10870209 + 42981136 = 3297^2 + 6556^2 .

It is a cyclic number.

It is not a de Polignac number, because 53851345 - 217 = 53720273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53851345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5385130 + ... + 5385139.

It is an arithmetic number, because the mean of its divisors is an integer number (16155405).

Almost surely, 253851345 is an apocalyptic number.

It is an amenable number.

53851345 is a deficient number, since it is larger than the sum of its proper divisors (10770275).

53851345 is a wasteful number, since it uses less digits than its factorization.

53851345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10770274.

The product of its digits is 36000, while the sum is 34.

The square root of 53851345 is about 7338.3475660396. The cubic root of 53851345 is about 377.6291562796.

The spelling of 53851345 in words is "fifty-three million, eight hundred fifty-one thousand, three hundred forty-five".

Divisors: 1 5 10770269 53851345