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63480791 = 115770981
BaseRepresentation
bin1111001000101…
…0001111010111
311102110011021102
43302022033113
5112222341131
610144340315
71400402123
oct362121727
9142404242
1063480791
1132919070
121931469b
13101c83ca
148606583
15588e1cb
hex3c8a3d7

63480791 has 4 divisors (see below), whose sum is σ = 69251784. Its totient is φ = 57709800.

The previous prime is 63480787. The next prime is 63480817. The reversal of 63480791 is 19708436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63480791 - 22 = 63480787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63480761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2885480 + ... + 2885501.

It is an arithmetic number, because the mean of its divisors is an integer number (17312946).

Almost surely, 263480791 is an apocalyptic number.

63480791 is a deficient number, since it is larger than the sum of its proper divisors (5770993).

63480791 is a wasteful number, since it uses less digits than its factorization.

63480791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5770992.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 63480791 is about 7967.4833542343. The cubic root of 63480791 is about 398.9153762197.

The spelling of 63480791 in words is "sixty-three million, four hundred eighty thousand, seven hundred ninety-one".

Divisors: 1 11 5770981 63480791