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97317813 = 3137236783
BaseRepresentation
bin1011100110011…
…11001110110101
320210010020221110
411303033032311
5144403132223
613353505233
72261121255
oct563171665
9223106843
1097317813
114aa2a34a
1228712219
1317214a08
14ccd3965
158824d93
hex5ccf3b5

97317813 has 8 divisors (see below), whose sum is σ = 130704768. Its totient is φ = 64404704.

The previous prime is 97317811. The next prime is 97317817. The reversal of 97317813 is 31871379.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 97317813 - 21 = 97317811 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97317811) 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, 117981 + ... + 118802.

It is an arithmetic number, because the mean of its divisors is an integer number (16338096).

Almost surely, 297317813 is an apocalyptic number.

It is an amenable number.

97317813 is a deficient number, since it is larger than the sum of its proper divisors (33386955).

97317813 is a wasteful number, since it uses less digits than its factorization.

97317813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236923.

The product of its digits is 31752, while the sum is 39.

The square root of 97317813 is about 9864.9791180722. The cubic root of 97317813 is about 459.9713482469.

The spelling of 97317813 in words is "ninety-seven million, three hundred seventeen thousand, eight hundred thirteen".

Divisors: 1 3 137 411 236783 710349 32439271 97317813