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1630203064 = 237193150833
BaseRepresentation
bin110000100101010…
…1110110010111000
311012121111220012021
41201022232302320
511314312444224
6425432524224
755253332420
oct14112566270
94177456167
101630203064
11767230766
12395b50674
131cc97c2c9
14116717480
15981b81e4
hex612aecb8

1630203064 has 32 divisors (see below), whose sum is σ = 3511415520. Its totient is φ = 695033856.

The previous prime is 1630203061. The next prime is 1630203109. The reversal of 1630203064 is 4603020361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630203061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64609 + ... + 86224.

It is an arithmetic number, because the mean of its divisors is an integer number (109731735).

Almost surely, 21630203064 is an apocalyptic number.

1630203064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1630203064 is an abundant number, since it is smaller than the sum of its proper divisors (1881212456).

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

1630203064 is a wasteful number, since it uses less digits than its factorization.

1630203064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151039 (or 151035 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1630203064 is about 40375.7732309859. The cubic root of 1630203064 is about 1176.9207911013.

The spelling of 1630203064 in words is "one billion, six hundred thirty million, two hundred three thousand, sixty-four".

Divisors: 1 2 4 7 8 14 28 56 193 386 772 1351 1544 2702 5404 10808 150833 301666 603332 1055831 1206664 2111662 4223324 8446648 29110769 58221538 116443076 203775383 232886152 407550766 815101532 1630203064