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69381343 = 71996497
BaseRepresentation
bin1000010001010…
…10110011011111
311211112221022101
410020222303133
5120230200333
610515025531
71501505653
oct410526337
9154487271
1069381343
1136189259
121b29b2a7
13114b3065
149300a63
15615767d
hex422acdf

69381343 has 4 divisors (see below), whose sum is σ = 69478560. Its totient is φ = 69284128.

The previous prime is 69381251. The next prime is 69381349. The reversal of 69381343 is 34318396.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69381343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69381349) 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, 47530 + ... + 48967.

It is an arithmetic number, because the mean of its divisors is an integer number (17369640).

Almost surely, 269381343 is an apocalyptic number.

69381343 is a deficient number, since it is larger than the sum of its proper divisors (97217).

69381343 is an equidigital number, since it uses as much as digits as its factorization.

69381343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97216.

The product of its digits is 46656, while the sum is 37.

The square root of 69381343 is about 8329.5463862086. The cubic root of 69381343 is about 410.9108107588.

It can be divided in two parts, 6938 and 1343, that added together give a square (8281 = 912).

The spelling of 69381343 in words is "sixty-nine million, three hundred eighty-one thousand, three hundred forty-three".

Divisors: 1 719 96497 69381343