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63097993 = 7192320627
BaseRepresentation
bin1111000010110…
…0110010001001
311101201201011201
43300230302021
5112123113433
610132224201
71364216110
oct360546211
9141651151
1063097993
1132687502
121916b061
13100c30ba
148546c77
155815a7d
hex3c2cc89

63097993 has 16 divisors (see below), whose sum is σ = 79211520. Its totient is φ = 49007376.

The previous prime is 63097981. The next prime is 63098023. The reversal of 63097993 is 39979036.

It is a cyclic number.

It is not a de Polignac number, because 63097993 - 213 = 63089801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63097933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7255 + ... + 13372.

It is an arithmetic number, because the mean of its divisors is an integer number (4950720).

Almost surely, 263097993 is an apocalyptic number.

It is an amenable number.

63097993 is a deficient number, since it is larger than the sum of its proper divisors (16113527).

63097993 is a wasteful number, since it uses less digits than its factorization.

63097993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20676.

The product of its (nonzero) digits is 275562, while the sum is 46.

The square root of 63097993 is about 7943.4245133947. The cubic root of 63097993 is about 398.1119206634. Note that the first 3 decimals are identical.

The spelling of 63097993 in words is "sixty-three million, ninety-seven thousand, nine hundred ninety-three".

Divisors: 1 7 19 23 133 161 437 3059 20627 144389 391913 474421 2743391 3320947 9013999 63097993