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65048890 = 256504889
BaseRepresentation
bin1111100000100…
…1000100111010
311112101211022011
43320021010322
5113123031030
610242120134
71416622624
oct370110472
9145354264
1065048890
113379a215
121995004a
131062708a
1488d3c14
155a9db2a
hex3e0913a

65048890 has 8 divisors (see below), whose sum is σ = 117088020. Its totient is φ = 26019552.

The previous prime is 65048873. The next prime is 65048903. The reversal of 65048890 is 9884056.

It can be written as a sum of positive squares in 2 ways, for example, as 64979721 + 69169 = 8061^2 + 263^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3252435 + ... + 3252454.

Almost surely, 265048890 is an apocalyptic number.

65048890 is a deficient number, since it is larger than the sum of its proper divisors (52039130).

65048890 is a wasteful number, since it uses less digits than its factorization.

65048890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504896.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 65048890 is about 8065.2892074618. The cubic root of 65048890 is about 402.1733574068.

The spelling of 65048890 in words is "sixty-five million, forty-eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 6504889 13009778 32524445 65048890