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97145011 = 883110017
BaseRepresentation
bin1011100101001…
…01000010110011
320202210110220101
411302211002303
5144332120021
613350053231
72256501415
oct562450263
9222713811
1097145011
114a921537
122864a217
1317184172
14cc8a9b5
1587dda91
hex5ca50b3

97145011 has 4 divisors (see below), whose sum is σ = 97255912. Its totient is φ = 97034112.

The previous prime is 97145003. The next prime is 97145023. The reversal of 97145011 is 11054179.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11054179 = 44324953.

It is a cyclic number.

It is not a de Polignac number, because 97145011 - 23 = 97145003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97146011) 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, 54126 + ... + 55891.

It is an arithmetic number, because the mean of its divisors is an integer number (24313978).

Almost surely, 297145011 is an apocalyptic number.

97145011 is a deficient number, since it is larger than the sum of its proper divisors (110901).

97145011 is a wasteful number, since it uses less digits than its factorization.

97145011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110900.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 97145011 is about 9856.2168705848. The cubic root of 97145011 is about 459.6989381640.

The spelling of 97145011 in words is "ninety-seven million, one hundred forty-five thousand, eleven".

Divisors: 1 883 110017 97145011