Search a number
-
+
52643349 = 3211248341
BaseRepresentation
bin1100100011010…
…0011000010101
310200001120002200
43020310120111
5101434041344
65120155113
71206314103
oct310643025
9120046080
1052643349
1127796800
1215768a99
13aba2615
146dc4c73
15494d069
hex3234615

52643349 has 18 divisors (see below), whose sum is σ = 83583318. Its totient is φ = 31904400.

The previous prime is 52643347. The next prime is 52643351. The reversal of 52643349 is 94334625.

52643349 is a `hidden beast` number, since 5 + 2 + 643 + 3 + 4 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (52643347) and next prime (52643351).

It can be written as a sum of positive squares in only one way, i.e., 50339025 + 2304324 = 7095^2 + 1518^2 .

It is not a de Polignac number, because 52643349 - 21 = 52643347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52643347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23082 + ... + 25259.

Almost surely, 252643349 is an apocalyptic number.

It is an amenable number.

52643349 is a deficient number, since it is larger than the sum of its proper divisors (30939969).

52643349 is a wasteful number, since it uses less digits than its factorization.

52643349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48369 (or 48355 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 52643349 is about 7255.5736506495. The cubic root of 52643349 is about 374.7841104017.

The spelling of 52643349 in words is "fifty-two million, six hundred forty-three thousand, three hundred forty-nine".

Divisors: 1 3 9 11 33 99 121 363 1089 48341 145023 435069 531751 1595253 4785759 5849261 17547783 52643349