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1429720030 = 25891606427
BaseRepresentation
bin101010100110111…
…1100101111011110
310200122021022011201
41111031330233132
510412002020110
6353511510114
750300263654
oct12515745736
93618238151
101429720030
11674048902
1233a98833a
1319a2861ab
14d7c4add4
15857b5b3a
hex5537cbde

1429720030 has 16 divisors (see below), whose sum is σ = 2602413360. Its totient is φ = 565461952.

The previous prime is 1429720007. The next prime is 1429720049. The reversal of 1429720030 is 300279241.

It is a congruent number.

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, 802324 + ... + 804103.

It is an arithmetic number, because the mean of its divisors is an integer number (162650835).

Almost surely, 21429720030 is an apocalyptic number.

1429720030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1429720030 is a deficient number, since it is larger than the sum of its proper divisors (1172693330).

1429720030 is a wasteful number, since it uses less digits than its factorization.

1429720030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606523.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1429720030 is about 37811.6388166395. The cubic root of 1429720030 is about 1126.5496418996.

Adding to 1429720030 its reverse (300279241), we get a palindrome (1729999271).

The spelling of 1429720030 in words is "one billion, four hundred twenty-nine million, seven hundred twenty thousand, thirty".

Divisors: 1 2 5 10 89 178 445 890 1606427 3212854 8032135 16064270 142972003 285944006 714860015 1429720030