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1728094906 = 21994341947
BaseRepresentation
bin110011100000000…
…1010001010111010
311110102201022120001
41213000022022322
512014343014111
6443251023214
760552364366
oct14700121272
94412638501
101728094906
1180751230a
1240289ab0a
13217035385
1412571a2a6
15a1aa31c1
hex6700a2ba

1728094906 has 8 divisors (see below), whose sum is σ = 2605168800. Its totient is φ = 859705308.

The previous prime is 1728094877. The next prime is 1728094961. The reversal of 1728094906 is 6094908271.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170576 + ... + 2171371.

It is an arithmetic number, because the mean of its divisors is an integer number (325646100).

Almost surely, 21728094906 is an apocalyptic number.

1728094906 is a deficient number, since it is larger than the sum of its proper divisors (877073894).

1728094906 is a wasteful number, since it uses less digits than its factorization.

1728094906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342148.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1728094906 is about 41570.3609077429. The cubic root of 1728094906 is about 1200.0219685793.

The spelling of 1728094906 in words is "one billion, seven hundred twenty-eight million, ninety-four thousand, nine hundred six".

Divisors: 1 2 199 398 4341947 8683894 864047453 1728094906