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65554012 = 22113145031
BaseRepresentation
bin1111101000010…
…0011001011100
311120100111012101
43322010121130
5113240212022
610301014444
71424125366
oct372043134
9146314171
1065554012
1134004777
1219b54424
1310772c74
1489c5d36
155b4d627
hex3e8465c

65554012 has 12 divisors (see below), whose sum is σ = 115735536. Its totient is φ = 32486720.

The previous prime is 65554003. The next prime is 65554019. The reversal of 65554012 is 21045556.

65554012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×655540122 = 8594656978592288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65554019) 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, 72064 + ... + 72967.

It is an arithmetic number, because the mean of its divisors is an integer number (9644628).

Almost surely, 265554012 is an apocalyptic number.

It is an amenable number.

65554012 is a deficient number, since it is larger than the sum of its proper divisors (50181524).

65554012 is a wasteful number, since it uses less digits than its factorization.

65554012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145148 (or 145146 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 65554012 is about 8096.5432130015. The cubic root of 65554012 is about 403.2116689403.

Adding to 65554012 its reverse (21045556), we get a palindrome (86599568).

The spelling of 65554012 in words is "sixty-five million, five hundred fifty-four thousand, twelve".

Divisors: 1 2 4 113 226 452 145031 290062 580124 16388503 32777006 65554012