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97442665 = 5109117863
BaseRepresentation
bin1011100111011…
…01101101101001
320210100121012121
411303231231221
5144421131130
613400311241
72262151255
oct563555551
9223317177
1097442665
1150005131
1228772521
13172597a8
14cd27265
15884bd7a
hex5cedb69

97442665 has 8 divisors (see below), whose sum is σ = 117044928. Its totient is φ = 77878320.

The previous prime is 97442633. The next prime is 97442671. The reversal of 97442665 is 56624479.

It is a happy number.

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

It is not a de Polignac number, because 97442665 - 25 = 97442633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 3477 + ... + 14386.

It is an arithmetic number, because the mean of its divisors is an integer number (14630616).

Almost surely, 297442665 is an apocalyptic number.

It is an amenable number.

97442665 is a deficient number, since it is larger than the sum of its proper divisors (19602263).

97442665 is a wasteful number, since it uses less digits than its factorization.

97442665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18959.

The product of its digits is 362880, while the sum is 43.

The square root of 97442665 is about 9871.3051315416. The cubic root of 97442665 is about 460.1679679600.

The spelling of 97442665 in words is "ninety-seven million, four hundred forty-two thousand, six hundred sixty-five".

Divisors: 1 5 1091 5455 17863 89315 19488533 97442665