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1420320302 = 2798989369
BaseRepresentation
bin101010010101000…
…0101111000101110
310122222120202011122
41110222011320232
510402100222202
6352534220542
750124344342
oct12452057056
93588522148
101420320302
11669808735
123377b4752
1319834491b
14d68c1622
1584a5a9a2
hex54a85e2e

1420320302 has 8 divisors (see below), whose sum is σ = 2157448800. Its totient is φ = 701170704.

The previous prime is 1420320289. The next prime is 1420320323. The reversal of 1420320302 is 2030230241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4494527 + ... + 4494842.

It is an arithmetic number, because the mean of its divisors is an integer number (269681100).

Almost surely, 21420320302 is an apocalyptic number.

1420320302 is a deficient number, since it is larger than the sum of its proper divisors (737128498).

1420320302 is an equidigital number, since it uses as much as digits as its factorization.

1420320302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8989450.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1420320302 is about 37687.1370894633. The cubic root of 1420320302 is about 1124.0753691814.

Adding to 1420320302 its reverse (2030230241), we get a palindrome (3450550543).

The spelling of 1420320302 in words is "one billion, four hundred twenty million, three hundred twenty thousand, three hundred two".

Divisors: 1 2 79 158 8989369 17978738 710160151 1420320302