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1429828730 = 251117972617
BaseRepresentation
bin101010100111001…
…0111010001111010
310200122110211021122
41111032113101322
510412014004410
6353514105242
750301225611
oct12516272172
93618424248
101429828730
11674112540
1233aa1b222
1319a2c3805
14d7c78878
15857d7e55
hex5539747a

1429828730 has 32 divisors (see below), whose sum is σ = 2823387840. Its totient is φ = 517025920.

The previous prime is 1429828723. The next prime is 1429828747. The reversal of 1429828730 is 378289241.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 16619 + ... + 55998.

It is an arithmetic number, because the mean of its divisors is an integer number (88230870).

Almost surely, 21429828730 is an apocalyptic number.

1429828730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1429828730 is a deficient number, since it is larger than the sum of its proper divisors (1393559110).

1429828730 is a wasteful number, since it uses less digits than its factorization.

1429828730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72814.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1429828730 is about 37813.0761774284. The cubic root of 1429828730 is about 1126.5781912753.

The spelling of 1429828730 in words is "one billion, four hundred twenty-nine million, eight hundred twenty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 179 358 895 1790 1969 3938 9845 19690 72617 145234 363085 726170 798787 1597574 3993935 7987870 12998443 25996886 64992215 129984430 142982873 285965746 714914365 1429828730