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69730313 = 684110193
BaseRepresentation
bin1000010100000…
…00000000001001
311212012200000012
410022000000021
5120322332223
610530321305
71504461242
oct412000011
9155180005
1069730313
11363a7464
121b429235
13115a5b53
149391cc9
1561c5c78
hex4280009

69730313 has 4 divisors (see below), whose sum is σ = 69747348. Its totient is φ = 69713280.

The previous prime is 69730303. The next prime is 69730333. The reversal of 69730313 is 31303796.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51437584 + 18292729 = 7172^2 + 4277^2 .

It is a cyclic number.

It is not a de Polignac number, because 69730313 - 214 = 69713929 is a prime.

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 69730313.

It is not an unprimeable number, because it can be changed into a prime (69730303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745 + ... + 11937.

It is an arithmetic number, because the mean of its divisors is an integer number (17436837).

Almost surely, 269730313 is an apocalyptic number.

It is an amenable number.

69730313 is a deficient number, since it is larger than the sum of its proper divisors (17035).

69730313 is a wasteful number, since it uses less digits than its factorization.

69730313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17034.

The product of its (nonzero) digits is 10206, while the sum is 32.

The square root of 69730313 is about 8350.4678312056. The cubic root of 69730313 is about 411.5985835565.

The spelling of 69730313 in words is "sixty-nine million, seven hundred thirty thousand, three hundred thirteen".

Divisors: 1 6841 10193 69730313