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1689669316 = 221924192251
BaseRepresentation
bin110010010110110…
…0100111011000100
311100202102002120001
41210231210323010
511430023404231
6435355251044
756604644416
oct14455447304
94322362501
101689669316
11797857625
123b1a49a84
1320c0a033a
141205969b6
159d512b61
hex64b64ec4

1689669316 has 24 divisors (see below), whose sum is σ = 3125497760. Its totient is φ = 797040000.

The previous prime is 1689669283. The next prime is 1689669323. The reversal of 1689669316 is 6139669861.

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, 27810 + ... + 64441.

Almost surely, 21689669316 is an apocalyptic number.

It is an amenable number.

1689669316 is a deficient number, since it is larger than the sum of its proper divisors (1435828444).

1689669316 is a wasteful number, since it uses less digits than its factorization.

1689669316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92515 (or 92513 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 55.

The square root of 1689669316 is about 41105.5874060936. The cubic root of 1689669316 is about 1191.0607297107.

The spelling of 1689669316 in words is "one billion, six hundred eighty-nine million, six hundred sixty-nine thousand, three hundred sixteen".

Divisors: 1 2 4 19 38 76 241 482 964 4579 9158 18316 92251 184502 369004 1752769 3505538 7011076 22232491 44464982 88929964 422417329 844834658 1689669316