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1680933248 = 2713132291
BaseRepresentation
bin110010000110001…
…0000000110000000
311100010222020220222
41210030100012000
511420304330443
6434444122212
756440461011
oct14414200600
94303866828
101680933248
11792930035
123aab36368
1320a331b77
1411d361008
159c889468
hex64310180

1680933248 has 16 divisors (see below), whose sum is σ = 3348734460. Its totient is φ = 840466560.

The previous prime is 1680933193. The next prime is 1680933257. The reversal of 1680933248 is 8423390861.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 1680933199 and 1680933208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6566018 + ... + 6566273.

Almost surely, 21680933248 is an apocalyptic number.

It is an amenable number.

1680933248 is a deficient number, since it is larger than the sum of its proper divisors (1667801212).

1680933248 is an equidigital number, since it uses as much as digits as its factorization.

1680933248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13132305 (or 13132293 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 1680933248 is about 40999.1859431379. The cubic root of 1680933248 is about 1189.0044749350.

The spelling of 1680933248 in words is "one billion, six hundred eighty million, nine hundred thirty-three thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 128 13132291 26264582 52529164 105058328 210116656 420233312 840466624 1680933248