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1420332330 = 23567706633
BaseRepresentation
bin101010010101000…
…1000110100101010
310122222121100200010
41110222020310222
510402101113310
6352534352350
750124424404
oct12452106452
93588540603
101420332330
1166981677a
123377bb6b6
1319834a241
14d68c5b74
1584a5e320
hex54a88d2a

1420332330 has 32 divisors (see below), whose sum is σ = 3459680064. Its totient is φ = 373101696.

The previous prime is 1420332323. The next prime is 1420332349. The reversal of 1420332330 is 332330241.

It is a junction number, because it is equal to n+sod(n) for n = 1420332297 and 1420332306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351307 + ... + 355326.

It is an arithmetic number, because the mean of its divisors is an integer number (108115002).

Almost surely, 21420332330 is an apocalyptic number.

1420332330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420332330 is an abundant number, since it is smaller than the sum of its proper divisors (2039347734).

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

1420332330 is a wasteful number, since it uses less digits than its factorization.

1420332330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706710.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1420332330 is about 37687.2966661181. The cubic root of 1420332330 is about 1124.0785422545.

Adding to 1420332330 its reverse (332330241), we get a palindrome (1752662571).

The spelling of 1420332330 in words is "one billion, four hundred twenty million, three hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 67 134 201 335 402 670 1005 2010 706633 1413266 2119899 3533165 4239798 7066330 10599495 21198990 47344411 94688822 142033233 236722055 284066466 473444110 710166165 1420332330