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69330091 = 379182929
BaseRepresentation
bin1000010000111…
…10010010101011
311211110100000011
410020132102223
5120222030331
610513552351
71501203355
oct410362253
9154410004
1069330091
11361537a6
121b2756b7
131149592c
1492ca0d5
1561473b1
hex421e4ab

69330091 has 4 divisors (see below), whose sum is σ = 69513400. Its totient is φ = 69146784.

The previous prime is 69330089. The next prime is 69330109. The reversal of 69330091 is 19003396.

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

It is a cyclic number.

It is not a de Polignac number, because 69330091 - 21 = 69330089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69330011) 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, 91086 + ... + 91843.

It is an arithmetic number, because the mean of its divisors is an integer number (17378350).

Almost surely, 269330091 is an apocalyptic number.

69330091 is a deficient number, since it is larger than the sum of its proper divisors (183309).

69330091 is a wasteful number, since it uses less digits than its factorization.

69330091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183308.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 69330091 is about 8326.4692997693. The cubic root of 69330091 is about 410.8096058922.

The spelling of 69330091 in words is "sixty-nine million, three hundred thirty thousand, ninety-one".

Divisors: 1 379 182929 69330091