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63882091 = 7133718973
BaseRepresentation
bin1111001110110…
…0001101101011
311110012112202101
43303230031223
5112323211331
610201114231
71403663110
oct363541553
9143175671
1063882091
1133072619
1219488977
1310308c70
1486ac907
15591d061
hex3cec36b

63882091 has 16 divisors (see below), whose sum is σ = 80753344. Its totient is φ = 49175424.

The previous prime is 63882089. The next prime is 63882097. The reversal of 63882091 is 19028836.

It is a cyclic number.

It is not a de Polignac number, because 63882091 - 21 = 63882089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a deceptive number, since it divides R63882090.

It is a self number, because there is not a number n which added to its sum of digits gives 63882091.

It is not an unprimeable number, because it can be changed into a prime (63882097) 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, 6120 + ... + 12853.

It is an arithmetic number, because the mean of its divisors is an integer number (5047084).

Almost surely, 263882091 is an apocalyptic number.

63882091 is a deficient number, since it is larger than the sum of its proper divisors (16871253).

63882091 is a wasteful number, since it uses less digits than its factorization.

63882091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19030.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 63882091 is about 7992.6272901969. The cubic root of 63882091 is about 399.7542052433.

The spelling of 63882091 in words is "sixty-three million, eight hundred eighty-two thousand, ninety-one".

Divisors: 1 7 13 37 91 259 481 3367 18973 132811 246649 702001 1726543 4914007 9126013 63882091