Search a number
-
+
53030777 = 617311909
BaseRepresentation
bin1100101001001…
…0111101111001
310200210020112212
43022102331321
5102033441102
65132344505
71212516452
oct312227571
9120706485
1053030777
1127a30898
1215915135
13aca9a77
147086129
1549c7c52
hex3292f79

53030777 has 8 divisors (see below), whose sum is σ = 54643080. Its totient is φ = 51442560.

The previous prime is 53030771. The next prime is 53030779. The reversal of 53030777 is 77703035.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 90601 + 52940176 = 301^2 + 7276^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53030777 - 26 = 53030713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53030771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502 + ... + 10407.

It is an arithmetic number, because the mean of its divisors is an integer number (6830385).

Almost surely, 253030777 is an apocalyptic number.

It is an amenable number.

53030777 is a deficient number, since it is larger than the sum of its proper divisors (1612303).

53030777 is a wasteful number, since it uses less digits than its factorization.

53030777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12043.

The product of its (nonzero) digits is 15435, while the sum is 32.

The square root of 53030777 is about 7282.2233555419. The cubic root of 53030777 is about 375.7012702877.

The spelling of 53030777 in words is "fifty-three million, thirty thousand, seven hundred seventy-seven".

Divisors: 1 61 73 4453 11909 726449 869357 53030777