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52096781 = 114736071
BaseRepresentation
bin1100011010111…
…0111100001101
310122000210100102
43012232330031
5101314044111
65100340445
71201546442
oct306567415
9118023312
1052096781
11274530a0
1215544725
13aa408c9
146cc19c9
15489113b
hex31aef0d

52096781 has 4 divisors (see below), whose sum is σ = 56832864. Its totient is φ = 47360700.

The previous prime is 52096763. The next prime is 52096831. The reversal of 52096781 is 18769025.

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 a de Polignac number, because none of the positive numbers 2k-52096781 is a prime.

It is a super-2 number, since 2×520967812 = 5428149181123922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52096711) 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, 2368025 + ... + 2368046.

It is an arithmetic number, because the mean of its divisors is an integer number (14208216).

Almost surely, 252096781 is an apocalyptic number.

It is an amenable number.

52096781 is a deficient number, since it is larger than the sum of its proper divisors (4736083).

52096781 is a wasteful number, since it uses less digits than its factorization.

52096781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736082.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 52096781 is about 7217.8099864155. The cubic root of 52096781 is about 373.4825338138.

The spelling of 52096781 in words is "fifty-two million, ninety-six thousand, seven hundred eighty-one".

Divisors: 1 11 4736071 52096781