Search a number
-
+
52419761 = 269194869
BaseRepresentation
bin1100011111110…
…1110010110001
310122122012101122
43013331302301
5101404413021
65111312025
71204363202
oct307756261
9118565348
1052419761
1127653819
121567b615
13ab24914
146d675a9
154906bab
hex31fdcb1

52419761 has 4 divisors (see below), whose sum is σ = 52614900. Its totient is φ = 52224624.

The previous prime is 52419749. The next prime is 52419779. The reversal of 52419761 is 16791425.

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 26460736 + 25959025 = 5144^2 + 5095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52419761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52419701) 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, 97166 + ... + 97703.

It is an arithmetic number, because the mean of its divisors is an integer number (13153725).

Almost surely, 252419761 is an apocalyptic number.

It is an amenable number.

52419761 is a deficient number, since it is larger than the sum of its proper divisors (195139).

52419761 is a wasteful number, since it uses less digits than its factorization.

52419761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195138.

The product of its digits is 15120, while the sum is 35.

The square root of 52419761 is about 7240.1492387934. The cubic root of 52419761 is about 374.2527603062.

The spelling of 52419761 in words is "fifty-two million, four hundred nineteen thousand, seven hundred sixty-one".

Divisors: 1 269 194869 52419761