Search a number
-
+
52449761 = 713599769
BaseRepresentation
bin1100100000010…
…1000111100001
310122200201112202
43020011013201
5101411343021
65112102545
71204546520
oct310050741
9118621482
1052449761
1127674311
1215694a55
13ab35480
146d744b7
154910a0b
hex32051e1

52449761 has 16 divisors (see below), whose sum is σ = 65654400. Its totient is φ = 40791168.

The previous prime is 52449731. The next prime is 52449769. The reversal of 52449761 is 16794425.

52449761 = T136 + T137 + ... + T681.

It is a cyclic number.

It is not a de Polignac number, because 52449761 - 222 = 48255457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52449769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485 + ... + 10253.

It is an arithmetic number, because the mean of its divisors is an integer number (4103400).

Almost surely, 252449761 is an apocalyptic number.

It is an amenable number.

52449761 is a deficient number, since it is larger than the sum of its proper divisors (13204639).

52449761 is a wasteful number, since it uses less digits than its factorization.

52449761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9848.

The product of its digits is 60480, while the sum is 38.

The square root of 52449761 is about 7242.2207229551. The cubic root of 52449761 is about 374.3241420486.

The spelling of 52449761 in words is "fifty-two million, four hundred forty-nine thousand, seven hundred sixty-one".

Divisors: 1 7 13 59 91 413 767 5369 9769 68383 126997 576371 888979 4034597 7492823 52449761