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52005037 = 77429291
BaseRepresentation
bin1100011001100…
…0100010101101
310121212010111111
43012120202231
5101303130122
65054352021
71201015120
oct306304255
9117763444
1052005037
11273a0177
12154bb611
13aa0ac16
146c9a3b7
154873d77
hex31988ad

52005037 has 4 divisors (see below), whose sum is σ = 59434336. Its totient is φ = 44575740.

The previous prime is 52005029. The next prime is 52005053. The reversal of 52005037 is 73050025.

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 52005037 - 23 = 52005029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52004999 and 52005017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52006037) 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, 3714639 + ... + 3714652.

It is an arithmetic number, because the mean of its divisors is an integer number (14858584).

Almost surely, 252005037 is an apocalyptic number.

It is an amenable number.

52005037 is a deficient number, since it is larger than the sum of its proper divisors (7429299).

52005037 is an equidigital number, since it uses as much as digits as its factorization.

52005037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7429298.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 52005037 is about 7211.4517955818. The cubic root of 52005037 is about 373.2631669969.

The spelling of 52005037 in words is "fifty-two million, five thousand, thirty-seven".

Divisors: 1 7 7429291 52005037