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69243001 = 313722073
BaseRepresentation
bin1000010000010…
…01000001111001
311211021220112121
410020021001321
5120211234001
610512041241
71500361432
oct410110171
9154256477
1069243001
11360a4323
121b233221
13114650b9
1492a6489
15612b6a1
hex4209079

69243001 has 4 divisors (see below), whose sum is σ = 69268212. Its totient is φ = 69217792.

The previous prime is 69242993. The next prime is 69243007. The reversal of 69243001 is 10034296.

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 68475625 + 767376 = 8275^2 + 876^2 .

It is a cyclic number.

It is not a de Polignac number, because 69243001 - 23 = 69242993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69243007) 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, 7900 + ... + 14173.

It is an arithmetic number, because the mean of its divisors is an integer number (17317053).

Almost surely, 269243001 is an apocalyptic number.

It is an amenable number.

69243001 is a deficient number, since it is larger than the sum of its proper divisors (25211).

69243001 is a wasteful number, since it uses less digits than its factorization.

69243001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25210.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 69243001 is about 8321.2379487670. The cubic root of 69243001 is about 410.6375189994.

Adding to 69243001 its reverse (10034296), we get a palindrome (79277297).

The spelling of 69243001 in words is "sixty-nine million, two hundred forty-three thousand, one".

Divisors: 1 3137 22073 69243001