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1428000179 = 6197124109
BaseRepresentation
bin101010100011101…
…1000110110110011
310200112000220222112
41111013120312303
510411032001204
6353410555535
750246541554
oct12507306663
93615026875
101428000179
11673083741
1233a298bab
13199b03428
14d792032b
158557626e
hex551d8db3

1428000179 has 8 divisors (see below), whose sum is σ = 1452965040. Its totient is φ = 1403085600.

The previous prime is 1428000139. The next prime is 1428000227. The reversal of 1428000179 is 9710008241.

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

It is a cyclic number.

It is not a de Polignac number, because 1428000179 - 216 = 1427934643 is a prime.

It is a super-2 number, since 2×14280001792 = 4078369022448064082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428000139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47177 + ... + 71285.

It is an arithmetic number, because the mean of its divisors is an integer number (181620630).

Almost surely, 21428000179 is an apocalyptic number.

1428000179 is a deficient number, since it is larger than the sum of its proper divisors (24964861).

1428000179 is an equidigital number, since it uses as much as digits as its factorization.

1428000179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25141.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1428000179 is about 37788.8896238034. The cubic root of 1428000179 is about 1126.0977410851.

The spelling of 1428000179 in words is "one billion, four hundred twenty-eight million, one hundred seventy-nine", and thus it is an aban number.

Divisors: 1 61 971 24109 59231 1470649 23409839 1428000179