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97010891 = 1718793037
BaseRepresentation
bin1011100100001…
…00010011001011
320202112122220222
411302010103023
5144313322031
613343140255
72255402405
oct562042313
9222478828
1097010891
114a83a79a
12285a468b
13171380c3
14cc53b75
1587b3e7b
hex5c844cb

97010891 has 8 divisors (see below), whose sum is σ = 102805920. Its totient is φ = 91225728.

The previous prime is 97010861. The next prime is 97010897. The reversal of 97010891 is 19801079.

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 97010891 - 214 = 96994507 is a prime.

It is a super-3 number, since 3×970108913 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97010897) 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, 30425 + ... + 33461.

It is an arithmetic number, because the mean of its divisors is an integer number (12850740).

Almost surely, 297010891 is an apocalyptic number.

97010891 is a deficient number, since it is larger than the sum of its proper divisors (5795029).

97010891 is a wasteful number, since it uses less digits than its factorization.

97010891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 97010891 is about 9849.4106930313. The cubic root of 97010891 is about 459.4872847584.

The spelling of 97010891 in words is "ninety-seven million, ten thousand, eight hundred ninety-one".

Divisors: 1 17 1879 3037 31943 51629 5706523 97010891