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1421004130 = 257137321391
BaseRepresentation
bin101010010110010…
…1100110101100010
310200000212111012121
41110230230311202
510402234113010
6353001014454
750133223120
oct12454546542
93600774177
101421004130
1166a135487
12337a8442a
13198523c60
14d6a1c910
1584b433da
hex54b2cd62

1421004130 has 64 divisors (see below), whose sum is σ = 3191344128. Its totient is φ = 443543040.

The previous prime is 1421004127. The next prime is 1421004131. The reversal of 1421004130 is 314001241.

It is not an unprimeable number, because it can be changed into a prime (1421004131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55735 + ... + 77125.

It is an arithmetic number, because the mean of its divisors is an integer number (49864752).

Almost surely, 21421004130 is an apocalyptic number.

1421004130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421004130 is an abundant number, since it is smaller than the sum of its proper divisors (1770339998).

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

1421004130 is a wasteful number, since it uses less digits than its factorization.

1421004130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21491.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1421004130 is about 37696.2084300265. The cubic root of 1421004130 is about 1124.2557395015.

Adding to 1421004130 its reverse (314001241), we get a palindrome (1735005371).

The spelling of 1421004130 in words is "one billion, four hundred twenty-one million, four thousand, one hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 73 91 130 146 182 365 455 511 730 910 949 1022 1898 2555 4745 5110 6643 9490 13286 21391 33215 42782 66430 106955 149737 213910 278083 299474 556166 748685 1390415 1497370 1561543 1946581 2780830 3123086 3893162 7807715 9732905 10930801 15615430 19465810 20300059 21861602 40600118 54654005 101500295 109308010 142100413 203000590 284200826 710502065 1421004130