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82769269 = 117524479
BaseRepresentation
bin1001110111011…
…11010101110101
312202202010002111
410323233111311
5132142104034
612114011021
72023345552
oct473572565
9182663074
1082769269
11427a2860
1223876a71
13141bc9cb
14adc7a29
1573ee364
hex4eef575

82769269 has 4 divisors (see below), whose sum is σ = 90293760. Its totient is φ = 75244780.

The previous prime is 82769257. The next prime is 82769273. The reversal of 82769269 is 96296728.

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-82769269 is a prime.

It is a super-2 number, since 2×827692692 = 13701503781588722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82769299) 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, 3762229 + ... + 3762250.

It is an arithmetic number, because the mean of its divisors is an integer number (22573440).

Almost surely, 282769269 is an apocalyptic number.

It is an amenable number.

82769269 is a deficient number, since it is larger than the sum of its proper divisors (7524491).

82769269 is a wasteful number, since it uses less digits than its factorization.

82769269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7524490.

The product of its digits is 653184, while the sum is 49.

The square root of 82769269 is about 9097.7617577072. The cubic root of 82769269 is about 435.8024892370.

It can be divided in two parts, 82769 and 269, that added together give a palindrome (83038).

The spelling of 82769269 in words is "eighty-two million, seven hundred sixty-nine thousand, two hundred sixty-nine".

Divisors: 1 11 7524479 82769269