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69328029 = 323109343
BaseRepresentation
bin1000010000111…
…01110010011101
311211110020011210
410020131302131
5120221444104
610513535033
71501164351
oct410356235
9154406153
1069328029
11361521a1
121b274479
1311494a04
1492c9461
156146989
hex421dc9d

69328029 has 4 divisors (see below), whose sum is σ = 92437376. Its totient is φ = 46218684.

The previous prime is 69328019. The next prime is 69328031. The reversal of 69328029 is 92082396.

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 not a de Polignac number, because 69328029 - 24 = 69328013 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 (69328019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11554669 + ... + 11554674.

It is an arithmetic number, because the mean of its divisors is an integer number (23109344).

Almost surely, 269328029 is an apocalyptic number.

It is an amenable number.

69328029 is a deficient number, since it is larger than the sum of its proper divisors (23109347).

69328029 is a wasteful number, since it uses less digits than its factorization.

69328029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23109346.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 69328029 is about 8326.3454768584. The cubic root of 69328029 is about 410.8055331161.

The spelling of 69328029 in words is "sixty-nine million, three hundred twenty-eight thousand, twenty-nine".

Divisors: 1 3 23109343 69328029