Search a number
-
+
52760861 = 79667859
BaseRepresentation
bin1100100101000…
…1000100011101
310200021112021222
43021101010131
5102001321421
65122503125
71210313516
oct311210435
9120245258
1052760861
112786701a
1215804aa5
13ac13c5a
147015a0d
154972cab
hex325111d

52760861 has 4 divisors (see below), whose sum is σ = 53428800. Its totient is φ = 52092924.

The previous prime is 52760833. The next prime is 52760863. The reversal of 52760861 is 16806725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52760861 - 26 = 52760797 is a prime.

It is a super-2 number, since 2×527608612 = 5567416906922642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52760863) 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 3 ways as a sum of consecutive naturals, for example, 333851 + ... + 334008.

It is an arithmetic number, because the mean of its divisors is an integer number (13357200).

Almost surely, 252760861 is an apocalyptic number.

It is an amenable number.

52760861 is a deficient number, since it is larger than the sum of its proper divisors (667939).

52760861 is an equidigital number, since it uses as much as digits as its factorization.

52760861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667938.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 52760861 is about 7263.6671867590. The cubic root of 52760861 is about 375.0627711218.

The spelling of 52760861 in words is "fifty-two million, seven hundred sixty thousand, eight hundred sixty-one".

Divisors: 1 79 667859 52760861