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69230269 = 99169859
BaseRepresentation
bin1000010000001…
…01111010111101
311211021021002001
410020011322331
5120210332034
610511502301
71500306343
oct410057275
9154237061
1069230269
11360957a9
121b227991
131145c374
1492a1993
156127a14
hex4205ebd

69230269 has 4 divisors (see below), whose sum is σ = 69301120. Its totient is φ = 69159420.

The previous prime is 69230267. The next prime is 69230297. The reversal of 69230269 is 96203296.

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 a cyclic number.

It is not a de Polignac number, because 69230269 - 21 = 69230267 is a prime.

It is a super-2 number, since 2×692302692 = 9585660291624722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69230261) 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, 33939 + ... + 35920.

It is an arithmetic number, because the mean of its divisors is an integer number (17325280).

Almost surely, 269230269 is an apocalyptic number.

It is an amenable number.

69230269 is a deficient number, since it is larger than the sum of its proper divisors (70851).

69230269 is an equidigital number, since it uses as much as digits as its factorization.

69230269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70850.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 69230269 is about 8320.4728831960. The cubic root of 69230269 is about 410.6123489110.

The spelling of 69230269 in words is "sixty-nine million, two hundred thirty thousand, two hundred sixty-nine".

Divisors: 1 991 69859 69230269