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52077331 = 307169633
BaseRepresentation
bin1100011010101…
…0001100010011
310121222210200001
43012222030103
5101312433311
65100110431
71201435645
oct306521423
9117883601
1052077331
112743a519
1215535417
13aa34ab7
146cb8895
15488a4c1
hex31aa313

52077331 has 4 divisors (see below), whose sum is σ = 52247272. Its totient is φ = 51907392.

The previous prime is 52077329. The next prime is 52077349. The reversal of 52077331 is 13377025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52077331 - 21 = 52077329 is a prime.

It is a super-2 number, since 2×520773312 = 5424096808167122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52077331.

It is not an unprimeable number, because it can be changed into a prime (52077391) 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, 84510 + ... + 85123.

It is an arithmetic number, because the mean of its divisors is an integer number (13061818).

Almost surely, 252077331 is an apocalyptic number.

52077331 is a deficient number, since it is larger than the sum of its proper divisors (169941).

52077331 is a wasteful number, since it uses less digits than its factorization.

52077331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169940.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 52077331 is about 7216.4624990365. The cubic root of 52077331 is about 373.4360489232.

The spelling of 52077331 in words is "fifty-two million, seventy-seven thousand, three hundred thirty-one".

Divisors: 1 307 169633 52077331