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1429872886 = 2131071972609
BaseRepresentation
bin101010100111010…
…0010000011110110
310200122120001212001
41111032202003312
510412021413021
6353515045514
750301501421
oct12516420366
93618501761
101429872886
11674142732
1233aa4089a
1319a30a940
14d7c8a9b8
15857e6091
hex553a20f6

1429872886 has 32 divisors (see below), whose sum is σ = 2344114080. Its totient is φ = 650205696.

The previous prime is 1429872863. The next prime is 1429872889. The reversal of 1429872886 is 6882789241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429872889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546750 + ... + 549358.

It is an arithmetic number, because the mean of its divisors is an integer number (73253565).

Almost surely, 21429872886 is an apocalyptic number.

1429872886 is a deficient number, since it is larger than the sum of its proper divisors (914241194).

1429872886 is a wasteful number, since it uses less digits than its factorization.

1429872886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928.

The product of its digits is 3096576, while the sum is 55.

The square root of 1429872886 is about 37813.6600450155. The cubic root of 1429872886 is about 1126.5897881594.

The spelling of 1429872886 in words is "one billion, four hundred twenty-nine million, eight hundred seventy-two thousand, eight hundred eighty-six".

Divisors: 1 2 13 26 107 197 214 394 1391 2561 2609 2782 5122 5218 21079 33917 42158 67834 274027 279163 513973 548054 558326 1027946 3629119 6681649 7258238 13363298 54995111 109990222 714936443 1429872886