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97198601 = 274135461
BaseRepresentation
bin1011100101100…
…10001000001001
320202220012102012
411302302020021
5144340323401
613351145305
72260113563
oct562621011
9222805365
1097198601
114a958825
1228675235
13171a2686
14cca2333
1587ee8bb
hex5cb2209

97198601 has 4 divisors (see below), whose sum is σ = 97236804. Its totient is φ = 97160400.

The previous prime is 97198583. The next prime is 97198603. The reversal of 97198601 is 10689179.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10689179 = 32093331.

It can be written as a sum of positive squares in 2 ways, for example, as 33582025 + 63616576 = 5795^2 + 7976^2 .

It is a cyclic number.

It is not a de Polignac number, because 97198601 - 226 = 30089737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97198603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14990 + ... + 20471.

It is an arithmetic number, because the mean of its divisors is an integer number (24309201).

Almost surely, 297198601 is an apocalyptic number.

It is an amenable number.

97198601 is a deficient number, since it is larger than the sum of its proper divisors (38203).

97198601 is a wasteful number, since it uses less digits than its factorization.

97198601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38202.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 97198601 is about 9858.9350844805. The cubic root of 97198601 is about 459.7834535266.

The spelling of 97198601 in words is "ninety-seven million, one hundred ninety-eight thousand, six hundred one".

Divisors: 1 2741 35461 97198601