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1906891482 = 23317815247
BaseRepresentation
bin111000110101000…
…1101101011011010
311220220011010100110
41301222031223122
512401131011412
6513115145150
765153211246
oct16152155332
94826133313
101906891482
11899432881
124527451b6
132450a7572
1414137d426
15b261ed3c
hex71a8dada

1906891482 has 8 divisors (see below), whose sum is σ = 3813782976. Its totient is φ = 635630492.

The previous prime is 1906891477. The next prime is 1906891529. The reversal of 1906891482 is 2841986091.

It is a sphenic number, since it is the product of 3 distinct primes.

1906891482 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 158907618 + ... + 158907629.

It is an arithmetic number, because the mean of its divisors is an integer number (476722872).

Almost surely, 21906891482 is an apocalyptic number.

1906891482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1906891482 is a wasteful number, since it uses less digits than its factorization.

1906891482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317815252.

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 1906891482 is about 43667.9686040008. The cubic root of 1906891482 is about 1240.0579841945.

The spelling of 1906891482 in words is "one billion, nine hundred six million, eight hundred ninety-one thousand, four hundred eighty-two".

Divisors: 1 2 3 6 317815247 635630494 953445741 1906891482