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63240079 = 716695413
BaseRepresentation
bin1111000100111…
…1011110001111
311101222221002011
43301033132033
5112142140304
610135242051
71365350260
oct361173617
9141887064
1063240079
1132774231
1219219327
1310142986
148582967
155842c04
hex3c4f78f

63240079 has 8 divisors (see below), whose sum is σ = 72331040. Its totient is φ = 54163296.

The previous prime is 63240049. The next prime is 63240091. The reversal of 63240079 is 97004236.

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 63240079 - 27 = 63239951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63240079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63240019) 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, 8977 + ... + 14389.

It is an arithmetic number, because the mean of its divisors is an integer number (9041380).

Almost surely, 263240079 is an apocalyptic number.

63240079 is a deficient number, since it is larger than the sum of its proper divisors (9090961).

63240079 is a wasteful number, since it uses less digits than its factorization.

63240079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7089.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 63240079 is about 7952.3631079070. The cubic root of 63240079 is about 398.4105235274.

The spelling of 63240079 in words is "sixty-three million, two hundred forty thousand, seventy-nine".

Divisors: 1 7 1669 5413 11683 37891 9034297 63240079