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65538982 = 233719721
BaseRepresentation
bin1111101000000…
…0101110100110
311120022201120201
43322000232212
5113234221412
610300421114
71424033515
oct372005646
9146281521
1065538982
1133aa4453
1219b4779a
1310769182
1489c067c
155b48e57
hex3e80ba6

65538982 has 8 divisors (see below), whose sum is σ = 98347752. Its totient is φ = 32756400.

The previous prime is 65538973. The next prime is 65538989. The reversal of 65538982 is 28983556.

65538982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65538989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1882 + ... + 11602.

It is an arithmetic number, because the mean of its divisors is an integer number (12293469).

Almost surely, 265538982 is an apocalyptic number.

65538982 is a deficient number, since it is larger than the sum of its proper divisors (32808770).

65538982 is a wasteful number, since it uses less digits than its factorization.

65538982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13094.

The product of its digits is 518400, while the sum is 46.

The square root of 65538982 is about 8095.6149859044. The cubic root of 65538982 is about 403.1808509201.

The spelling of 65538982 in words is "sixty-five million, five hundred thirty-eight thousand, nine hundred eighty-two".

Divisors: 1 2 3371 6742 9721 19442 32769491 65538982