Search a number
-
+
52760399 = 411286839
BaseRepresentation
bin1100100101000…
…0111101001111
310200021111122212
43021100331033
5102001313044
65122501035
71210312256
oct311207517
9120244585
1052760399
112786673a
121580477b
13ac13993
14701579d
154972a9e
hex3250f4f

52760399 has 4 divisors (see below), whose sum is σ = 54047280. Its totient is φ = 51473520.

The previous prime is 52760377. The next prime is 52760431. The reversal of 52760399 is 99306725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52760399 - 212 = 52756303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1286839 = 52760399 / (5 + 2 + 7 + 6 + 0 + 3 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52760999) 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, 643379 + ... + 643460.

It is an arithmetic number, because the mean of its divisors is an integer number (13511820).

Almost surely, 252760399 is an apocalyptic number.

52760399 is a deficient number, since it is larger than the sum of its proper divisors (1286881).

52760399 is a wasteful number, since it uses less digits than its factorization.

52760399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286880.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 52760399 is about 7263.6353845716. The cubic root of 52760399 is about 375.0616763740.

The spelling of 52760399 in words is "fifty-two million, seven hundred sixty thousand, three hundred ninety-nine".

Divisors: 1 41 1286839 52760399