Search a number
-
+
52626161 = 77518023
BaseRepresentation
bin1100100011000…
…0001011110001
310200000200112002
43020300023301
5101433014121
65115543345
71206213020
oct310601361
9120020462
1052626161
11277848a5
121575ab55
13ab97853
146dbc8b7
154947e0b
hex32302f1

52626161 has 4 divisors (see below), whose sum is σ = 60144192. Its totient is φ = 45108132.

The previous prime is 52626149. The next prime is 52626163. The reversal of 52626161 is 16162625.

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 52626161 - 222 = 48431857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52626163) 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, 3759005 + ... + 3759018.

It is an arithmetic number, because the mean of its divisors is an integer number (15036048).

Almost surely, 252626161 is an apocalyptic number.

It is an amenable number.

52626161 is a deficient number, since it is larger than the sum of its proper divisors (7518031).

52626161 is an equidigital number, since it uses as much as digits as its factorization.

52626161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518030.

The product of its digits is 4320, while the sum is 29.

The square root of 52626161 is about 7254.3890852366. The cubic root of 52626161 is about 374.7433170845.

Adding to 52626161 its reverse (16162625), we get a palindrome (68788786).

It can be divided in two parts, 52626 and 161, that multiplied together give a triangular number (8472786 = T4116).

The spelling of 52626161 in words is "fifty-two million, six hundred twenty-six thousand, one hundred sixty-one".

Divisors: 1 7 7518023 52626161