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1429300872 = 2332731931409
BaseRepresentation
bin101010100110001…
…0110011010001000
310200121111000012100
41111030112122020
510411400111442
6353454513400
750263566636
oct12514263210
93617430170
101429300872
1167389199a
1233a805860
1319a16a47c
14d7b7c356
158573184c
hex55316688

1429300872 has 96 divisors (see below), whose sum is σ = 3947182200. Its totient is φ = 467140608.

The previous prime is 1429300853. The next prime is 1429300903. The reversal of 1429300872 is 2780039241.

It can be written as a sum of positive squares in 4 ways, for example, as 650556036 + 778744836 = 25506^2 + 27906^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 1013704 + ... + 1015112.

Almost surely, 21429300872 is an apocalyptic number.

1429300872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1429300872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1973591100).

1429300872 is an abundant number, since it is smaller than the sum of its proper divisors (2517881328).

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

1429300872 is a wasteful number, since it uses less digits than its factorization.

1429300872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1680 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1429300872 is about 37806.0956989743. The cubic root of 1429300872 is about 1126.4395391199.

The spelling of 1429300872 in words is "one billion, four hundred twenty-nine million, three hundred thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 73 146 193 219 292 386 438 579 584 657 772 876 1158 1314 1409 1544 1737 1752 2316 2628 2818 3474 4227 4632 5256 5636 6948 8454 11272 12681 13896 14089 16908 25362 28178 33816 42267 50724 56356 84534 101448 102857 112712 126801 169068 205714 253602 271937 308571 338136 411428 507204 543874 617142 815811 822856 925713 1014408 1087748 1234284 1631622 1851426 2175496 2447433 2468568 3263244 3702852 4894866 6526488 7405704 9789732 19579464 19851401 39702802 59554203 79405604 119108406 158811208 178662609 238216812 357325218 476433624 714650436 1429300872