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52067949 = 317355983
BaseRepresentation
bin1100011010011…
…1111001101101
310121222022210120
43012213321231
5101312133244
65055555153
71201366413
oct306477155
9117868716
1052067949
112743346a
121552bab9
13aa3074b
146cb52b3
154887819
hex31a7e6d

52067949 has 4 divisors (see below), whose sum is σ = 69423936. Its totient is φ = 34711964.

The previous prime is 52067947. The next prime is 52067993. The reversal of 52067949 is 94976025.

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 52067949 - 21 = 52067947 is a prime.

It is a super-2 number, since 2×520679492 = 5422142626133202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52067949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52067947) 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, 8677989 + ... + 8677994.

It is an arithmetic number, because the mean of its divisors is an integer number (17355984).

Almost surely, 252067949 is an apocalyptic number.

It is an amenable number.

52067949 is a deficient number, since it is larger than the sum of its proper divisors (17355987).

52067949 is a wasteful number, since it uses less digits than its factorization.

52067949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17355986.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 52067949 is about 7215.8124282717. The cubic root of 52067949 is about 373.4136220991.

The spelling of 52067949 in words is "fifty-two million, sixty-seven thousand, nine hundred forty-nine".

Divisors: 1 3 17355983 52067949