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1728133030 = 251319699649
BaseRepresentation
bin110011100000001…
…0011011110100110
311110102210020212001
41213000103132212
512014400224110
6443251515514
760552613501
oct14700233646
94412706761
101728133030
11807538a18
124028b8b9a
13217049830
1412572a138
15a1aae63a
hex670137a6

1728133030 has 32 divisors (see below), whose sum is σ = 3526236000. Its totient is φ = 604495872.

The previous prime is 1728133027. The next prime is 1728133061. The reversal of 1728133030 is 303318271.

It is a self number, because there is not a number n which added to its sum of digits gives 1728133030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347355 + ... + 352294.

It is an arithmetic number, because the mean of its divisors is an integer number (110194875).

Almost surely, 21728133030 is an apocalyptic number.

1728133030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1728133030 is an abundant number, since it is smaller than the sum of its proper divisors (1798102970).

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

1728133030 is a wasteful number, since it uses less digits than its factorization.

1728133030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699688.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1728133030 is about 41570.8194530731. The cubic root of 1728133030 is about 1200.0307931913.

The spelling of 1728133030 in words is "one billion, seven hundred twenty-eight million, one hundred thirty-three thousand, thirty".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 190 247 494 1235 2470 699649 1399298 3498245 6996490 9095437 13293331 18190874 26586662 45477185 66466655 90954370 132933310 172813303 345626606 864066515 1728133030