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51064060 = 2252553203
BaseRepresentation
bin1100001011001…
…0110011111100
310120002022201111
43002302303330
5101033022220
65022251404
71160015545
oct302626374
9116068644
1051064060
1126908203
1215126b64
13a76b828
146ad34cc
15473a15a
hex30b2cfc

51064060 has 12 divisors (see below), whose sum is σ = 107234568. Its totient is φ = 20425616.

The previous prime is 51064051. The next prime is 51064063. The reversal of 51064060 is 6046015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51064063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276582 + ... + 1276621.

It is an arithmetic number, because the mean of its divisors is an integer number (8936214).

Almost surely, 251064060 is an apocalyptic number.

It is an amenable number.

51064060 is an abundant number, since it is smaller than the sum of its proper divisors (56170508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51064060 is a wasteful number, since it uses less digits than its factorization.

51064060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553212 (or 2553210 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 51064060 is about 7145.9121181274. The cubic root of 51064060 is about 370.9981812501.

The spelling of 51064060 in words is "fifty-one million, sixty-four thousand, sixty".

Divisors: 1 2 4 5 10 20 2553203 5106406 10212812 12766015 25532030 51064060