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97065641 = 791228679
BaseRepresentation
bin1011100100100…
…01101010101001
320202122110000202
411302101222221
5144322100031
613344241545
72256021131
oct562215251
9222573022
1097065641
114a877942
12286102b5
1317156cba
14cc69ac1
1587c52cb
hex5c91aa9

97065641 has 4 divisors (see below), whose sum is σ = 98294400. Its totient is φ = 95836884.

The previous prime is 97065613. The next prime is 97065653. The reversal of 97065641 is 14656079.

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 a de Polignac number, because none of the positive numbers 2k-97065641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97065595 and 97065604.

It is not an unprimeable number, because it can be changed into a prime (97065611) 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, 614261 + ... + 614418.

It is an arithmetic number, because the mean of its divisors is an integer number (24573600).

Almost surely, 297065641 is an apocalyptic number.

It is an amenable number.

97065641 is a deficient number, since it is larger than the sum of its proper divisors (1228759).

97065641 is a wasteful number, since it uses less digits than its factorization.

97065641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228758.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 97065641 is about 9852.1896550970. The cubic root of 97065641 is about 459.5737087240.

The spelling of 97065641 in words is "ninety-seven million, sixty-five thousand, six hundred forty-one".

Divisors: 1 79 1228679 97065641