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63028145 = 512605629
BaseRepresentation
bin1111000001101…
…1101110110001
311101121011100202
43300123232301
5112113400040
610130524545
71363505345
oct360335661
9141534322
1063028145
1132639a84
1219136755
131009a37b
148529625
155800015
hex3c1bbb1

63028145 has 4 divisors (see below), whose sum is σ = 75633780. Its totient is φ = 50422512.

The previous prime is 63028103. The next prime is 63028171. The reversal of 63028145 is 54182036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35664784 + 27363361 = 5972^2 + 5231^2 .

It is a cyclic number.

It is not a de Polignac number, because 63028145 - 214 = 63011761 is a prime.

It is a Curzon number.

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, 6302810 + ... + 6302819.

It is an arithmetic number, because the mean of its divisors is an integer number (18908445).

Almost surely, 263028145 is an apocalyptic number.

It is an amenable number.

63028145 is a deficient number, since it is larger than the sum of its proper divisors (12605635).

63028145 is a wasteful number, since it uses less digits than its factorization.

63028145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12605634.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 63028145 is about 7939.0267035702. The cubic root of 63028145 is about 397.9649662352.

The spelling of 63028145 in words is "sixty-three million, twenty-eight thousand, one hundred forty-five".

Divisors: 1 5 12605629 63028145