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2429126980 = 225722818821
BaseRepresentation
bin1001000011001001…
…1000100101000100
320021021211102202221
42100302120211010
514433324030410
61041012342124
7114124144600
oct22062304504
96237742687
102429126980
1110371a7065
12579614944
132c9346457
14190882500
15e33cb4da
hex90c98944

2429126980 has 72 divisors (see below), whose sum is σ = 5955802776. Its totient is φ = 829785600.

The previous prime is 2429126977. The next prime is 2429126981. The reversal of 2429126980 is 896219242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 516289284 + 1912837696 = 22722^2 + 43736^2 .

It is not an unprimeable number, because it can be changed into a prime (2429126981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270970 + ... + 279790.

It is an arithmetic number, because the mean of its divisors is an integer number (82719483).

Almost surely, 22429126980 is an apocalyptic number.

2429126980 is a gapful number since it is divisible by the number (20) 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 2429126980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2977901388).

2429126980 is an abundant number, since it is smaller than the sum of its proper divisors (3526675796).

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

2429126980 is a wasteful number, since it uses less digits than its factorization.

2429126980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125 (or 9116 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 2429126980 is about 49286.1743291159. The cubic root of 2429126980 is about 1344.2604023790.

The spelling of 2429126980 in words is "two billion, four hundred twenty-nine million, one hundred twenty-six thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 281 490 562 980 1124 1405 1967 2810 3934 5620 7868 8821 9835 13769 17642 19670 27538 35284 39340 44105 55076 61747 68845 88210 123494 137690 176420 246988 275380 308735 432229 617470 864458 1234940 1728916 2161145 2478701 4322290 4957402 8644580 9914804 12393505 17350907 24787010 34701814 49574020 69403628 86754535 121456349 173509070 242912698 347018140 485825396 607281745 1214563490 2429126980