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1664314232 = 23783935423
BaseRepresentation
bin110001100110011…
…0110101101111000
311021222200220220212
41203030312231320
511402031023412
6433052010252
756146303040
oct14314665570
94258626825
101664314232
11784509a09
123a5460988
13206a63629
1411b076720
159b1a5222
hex63336b78

1664314232 has 32 divisors (see below), whose sum is σ = 3570739200. Its totient is φ = 712407264.

The previous prime is 1664314199. The next prime is 1664314241. The reversal of 1664314232 is 2324134661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29273 + ... + 64695.

It is an arithmetic number, because the mean of its divisors is an integer number (111585600).

Almost surely, 21664314232 is an apocalyptic number.

It is an amenable number.

1664314232 is an abundant number, since it is smaller than the sum of its proper divisors (1906424968).

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

1664314232 is a wasteful number, since it uses less digits than its factorization.

1664314232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36275 (or 36271 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 1664314232 is about 40796.0075497591. The cubic root of 1664314232 is about 1185.0730149008.

Adding to 1664314232 its reverse (2324134661), we get a palindrome (3988448893).

The spelling of 1664314232 in words is "one billion, six hundred sixty-four million, three hundred fourteen thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 839 1678 3356 5873 6712 11746 23492 35423 46984 70846 141692 247961 283384 495922 991844 1983688 29719897 59439794 118879588 208039279 237759176 416078558 832157116 1664314232