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69945027 = 335596551
BaseRepresentation
bin1000010101101…
…00011011000011
311212121120112120
410022310123003
5120401220102
610535055323
71506344235
oct412643303
9155546476
1069945027
1136533809
121b511543
131164c7b9
14940a255
1562196bc
hex42b46c3

69945027 has 8 divisors (see below), whose sum is σ = 93300480. Its totient is φ = 46609800.

The previous prime is 69944999. The next prime is 69945049. The reversal of 69945027 is 72054996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69945027 - 27 = 69944899 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 69945027.

It is not an unprimeable number, because it can be changed into a prime (69945067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7402 + ... + 13952.

It is an arithmetic number, because the mean of its divisors is an integer number (11662560).

Almost surely, 269945027 is an apocalyptic number.

69945027 is a deficient number, since it is larger than the sum of its proper divisors (23355453).

69945027 is a wasteful number, since it uses less digits than its factorization.

69945027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 69945027 is about 8363.3143549672. The cubic root of 69945027 is about 412.0206162901.

It can be divided in two parts, 6994 and 5027, that added together give a palindrome (12021).

The spelling of 69945027 in words is "sixty-nine million, nine hundred forty-five thousand, twenty-seven".

Divisors: 1 3 3559 6551 10677 19653 23315009 69945027