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53910205 = 510782041
BaseRepresentation
bin1100110110100…
…1101010111101
310202102220220021
43031221222331
5102300111310
65203252141
71223141416
oct315515275
9122386807
1053910205
1128481598
121607a051
13b22713b
14723480d
154aed5da
hex3369abd

53910205 has 4 divisors (see below), whose sum is σ = 64692252. Its totient is φ = 43128160.

The previous prime is 53910193. The next prime is 53910251. The reversal of 53910205 is 50201935.

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 20985561 + 32924644 = 4581^2 + 5738^2 .

It is not a de Polignac number, because 53910205 - 25 = 53910173 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 53910205.

It is a congruent number.

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, 5391016 + ... + 5391025.

It is an arithmetic number, because the mean of its divisors is an integer number (16173063).

Almost surely, 253910205 is an apocalyptic number.

It is an amenable number.

53910205 is a deficient number, since it is larger than the sum of its proper divisors (10782047).

53910205 is a wasteful number, since it uses less digits than its factorization.

53910205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10782046.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 53910205 is about 7342.3569104205. The cubic root of 53910205 is about 377.7666901943.

The spelling of 53910205 in words is "fifty-three million, nine hundred ten thousand, two hundred five".

Divisors: 1 5 10782041 53910205