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1428265434 = 23239996001
BaseRepresentation
bin101010100100001…
…1001100111011010
310200112112101211210
41111020121213122
510411113443214
6353420403550
750252025111
oct12510314732
93615471753
101428265434
11673244a62
1233a3a65b6
13199b9709b
14d798cc78
15855c9b59
hex552199da

1428265434 has 16 divisors (see below), whose sum is σ = 2868485760. Its totient is φ = 474096000.

The previous prime is 1428265417. The next prime is 1428265441. The reversal of 1428265434 is 4345628241.

It is a junction number, because it is equal to n+sod(n) for n = 1428265392 and 1428265401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496567 + ... + 499434.

It is an arithmetic number, because the mean of its divisors is an integer number (179280360).

Almost surely, 21428265434 is an apocalyptic number.

1428265434 is an abundant number, since it is smaller than the sum of its proper divisors (1440220326).

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

1428265434 is a wasteful number, since it uses less digits than its factorization.

1428265434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996245.

The product of its digits is 184320, while the sum is 39.

The square root of 1428265434 is about 37792.3991564441. The cubic root of 1428265434 is about 1126.1674620295.

The spelling of 1428265434 in words is "one billion, four hundred twenty-eight million, two hundred sixty-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 239 478 717 1434 996001 1992002 2988003 5976006 238044239 476088478 714132717 1428265434