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97427065 = 561319433
BaseRepresentation
bin1011100111010…
…01111001111001
320210022210210211
411303221321321
5144420131230
613400111121
72262054631
oct563517171
9223283724
1097427065
114aaa443a
12287654a1
1317252668
14cd216c1
15884742a
hex5ce9e79

97427065 has 8 divisors (see below), whose sum is σ = 118829448. Its totient is φ = 76663680.

The previous prime is 97427063. The next prime is 97427069. The reversal of 97427065 is 56072479.

It can be written as a sum of positive squares in 4 ways, for example, as 522729 + 96904336 = 723^2 + 9844^2 .

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

It is not a de Polignac number, because 97427065 - 21 = 97427063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97427063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159412 + ... + 160021.

It is an arithmetic number, because the mean of its divisors is an integer number (14853681).

Almost surely, 297427065 is an apocalyptic number.

It is an amenable number.

97427065 is a deficient number, since it is larger than the sum of its proper divisors (21402383).

97427065 is a wasteful number, since it uses less digits than its factorization.

97427065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319499.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 97427065 is about 9870.5149308433. The cubic root of 97427065 is about 460.1434099172.

It can be divided in two parts, 9742 and 7065, that added together give a 5-th power (16807 = 75).

The spelling of 97427065 in words is "ninety-seven million, four hundred twenty-seven thousand, sixty-five".

Divisors: 1 5 61 305 319433 1597165 19485413 97427065