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660830048 = 2520650939
BaseRepresentation
bin100111011000110…
…111011101100000
31201001110122101222
4213120313131200
52323133030143
6145323514212
722242651134
oct4730673540
91631418358
10660830048
1130a02643a
12165388968
13a6ba65c8
1463a9d3c4
153d036768
hex27637760

660830048 has 12 divisors (see below), whose sum is σ = 1301009220. Its totient is φ = 330415008.

The previous prime is 660830041. The next prime is 660830059. The reversal of 660830048 is 840038066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660830041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10325438 + ... + 10325501.

It is an arithmetic number, because the mean of its divisors is an integer number (108417435).

Almost surely, 2660830048 is an apocalyptic number.

It is an amenable number.

660830048 is a deficient number, since it is larger than the sum of its proper divisors (640179172).

660830048 is a wasteful number, since it uses less digits than its factorization.

660830048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20650949 (or 20650941 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 660830048 is about 25706.6148685509. The cubic root of 660830048 is about 871.0236104400.

The spelling of 660830048 in words is "six hundred sixty million, eight hundred thirty thousand, forty-eight".

Divisors: 1 2 4 8 16 32 20650939 41301878 82603756 165207512 330415024 660830048