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63982061 = 1113447427
BaseRepresentation
bin1111010000010…
…0100111101101
311110101121212222
43310010213231
5112334411221
610203205125
71404560423
oct364044755
9143347788
1063982061
1133130740
12195167a5
1310342610
1486d7113
15593c9ab
hex3d049ed

63982061 has 8 divisors (see below), whose sum is σ = 75167904. Its totient is φ = 53691120.

The previous prime is 63982031. The next prime is 63982081. The reversal of 63982061 is 16028936.

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 63982061 - 222 = 59787757 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 (63982001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223571 + ... + 223856.

It is an arithmetic number, because the mean of its divisors is an integer number (9395988).

Almost surely, 263982061 is an apocalyptic number.

It is an amenable number.

63982061 is a deficient number, since it is larger than the sum of its proper divisors (11185843).

63982061 is a wasteful number, since it uses less digits than its factorization.

63982061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447451.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 63982061 is about 7998.8787339226. The cubic root of 63982061 is about 399.9626235910.

The spelling of 63982061 in words is "sixty-three million, nine hundred eighty-two thousand, sixty-one".

Divisors: 1 11 13 143 447427 4921697 5816551 63982061