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1664280230 = 25237236001
BaseRepresentation
bin110001100110010…
…1110011010100110
311021222122012021112
41203030232122212
511402023431410
6433051145022
756146101644
oct14314563246
94258565245
101664280230
11784496408
123a5445172
13206a51002
1411b068194
159b19a105
hex6332e6a6

1664280230 has 16 divisors (see below), whose sum is σ = 3125952864. Its totient is φ = 636768000.

The previous prime is 1664280223. The next prime is 1664280251. The reversal of 1664280230 is 320824661.

1664280230 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3617771 + ... + 3618230.

It is an arithmetic number, because the mean of its divisors is an integer number (195372054).

Almost surely, 21664280230 is an apocalyptic number.

1664280230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1664280230 is a deficient number, since it is larger than the sum of its proper divisors (1461672634).

1664280230 is a wasteful number, since it uses less digits than its factorization.

1664280230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7236031.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1664280230 is about 40795.5908156752. The cubic root of 1664280230 is about 1185.0649444843.

The spelling of 1664280230 in words is "one billion, six hundred sixty-four million, two hundred eighty thousand, two hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 7236001 14472002 36180005 72360010 166428023 332856046 832140115 1664280230