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69338321 = 135333717
BaseRepresentation
bin1000010001000…
…00010011010001
311211110202021222
410020200103101
5120222311241
610514054425
71501236353
oct410402321
9154422258
1069338321
11361599a8
121b27a415
13114995c0
1492cd0d3
156149a4b
hex42204d1

69338321 has 4 divisors (see below), whose sum is σ = 74672052. Its totient is φ = 64004592.

The previous prime is 69338309. The next prime is 69338323. The reversal of 69338321 is 12383396.

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 37075921 + 32262400 = 6089^2 + 5680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69338321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69338323) 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, 2666846 + ... + 2666871.

It is an arithmetic number, because the mean of its divisors is an integer number (18668013).

Almost surely, 269338321 is an apocalyptic number.

It is an amenable number.

69338321 is a deficient number, since it is larger than the sum of its proper divisors (5333731).

69338321 is a wasteful number, since it uses less digits than its factorization.

69338321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333730.

The product of its digits is 23328, while the sum is 35.

The square root of 69338321 is about 8326.9634921741. The cubic root of 69338321 is about 410.8258606393.

The spelling of 69338321 in words is "sixty-nine million, three hundred thirty-eight thousand, three hundred twenty-one".

Divisors: 1 13 5333717 69338321