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52407771 = 3131343789
BaseRepresentation
bin1100011111101…
…0110111011011
310122121120221120
43013322313123
5101404022041
65111140323
71204313223
oct307726733
9118546846
1052407771
1127645809
12156746a3
13ab1c320
146d63083
154903366
hex31faddb

52407771 has 8 divisors (see below), whose sum is σ = 75252240. Its totient is φ = 32250912.

The previous prime is 52407769. The next prime is 52407779. The reversal of 52407771 is 17770425.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52407771 - 21 = 52407769 is a prime.

It is a super-2 number, since 2×524077712 = 5493148922376882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52407779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671856 + ... + 671933.

It is an arithmetic number, because the mean of its divisors is an integer number (9406530).

Almost surely, 252407771 is an apocalyptic number.

52407771 is a deficient number, since it is larger than the sum of its proper divisors (22844469).

52407771 is a wasteful number, since it uses less digits than its factorization.

52407771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343805.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 52407771 is about 7239.3211698335. The cubic root of 52407771 is about 374.2242237856.

The spelling of 52407771 in words is "fifty-two million, four hundred seven thousand, seven hundred seventy-one".

Divisors: 1 3 13 39 1343789 4031367 17469257 52407771