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52606861 = 391113451
BaseRepresentation
bin1100100010101…
…1011110001101
310122222201001021
43020223132031
5101431404421
65115314141
71206102526
oct310533615
9118881037
1052606861
112777134a
121574b951
13ab8bb28
146db584d
154942341
hex322b78d

52606861 has 4 divisors (see below), whose sum is σ = 52624224. Its totient is φ = 52589500.

The previous prime is 52606831. The next prime is 52606889. The reversal of 52606861 is 16860625.

It can be divided in two parts, 5260 and 6861, that added together give a palindrome (12121).

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 52606861 - 217 = 52475789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52606831) 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, 2815 + ... + 10636.

It is an arithmetic number, because the mean of its divisors is an integer number (13156056).

It is a 3030-hyperperfect number.

Almost surely, 252606861 is an apocalyptic number.

It is an amenable number.

52606861 is a deficient number, since it is larger than the sum of its proper divisors (17363).

52606861 is a wasteful number, since it uses less digits than its factorization.

52606861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17362.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 52606861 is about 7253.0587340790. The cubic root of 52606861 is about 374.6975006426.

The spelling of 52606861 in words is "fifty-two million, six hundred six thousand, eight hundred sixty-one".

Divisors: 1 3911 13451 52606861