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2430426939 = 331113231271
BaseRepresentation
bin1001000011011101…
…0101111100111011
320021101021110222120
42100313111330323
514434142130224
61041100252323
7114141200553
oct22067257473
96241243876
102430426939
111037a04806
12579b410a3
132c96b0065
14190b00163
15e3586779
hex90dd5f3b

2430426939 has 16 divisors (see below), whose sum is σ = 3374721024. Its totient is φ = 1554134400.

The previous prime is 2430426907. The next prime is 2430426959. The reversal of 2430426939 is 9396240342.

It is not a de Polignac number, because 2430426939 - 25 = 2430426907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2430426939.

It is not an unprimeable number, because it can be changed into a prime (2430426959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105127 + ... + 126144.

It is an arithmetic number, because the mean of its divisors is an integer number (210920064).

Almost surely, 22430426939 is an apocalyptic number.

2430426939 is a deficient number, since it is larger than the sum of its proper divisors (944294085).

2430426939 is a wasteful number, since it uses less digits than its factorization.

2430426939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231418.

The product of its (nonzero) digits is 279936, while the sum is 42.

The square root of 2430426939 is about 49299.3604319569. The cubic root of 2430426939 is about 1344.5001554248.

The spelling of 2430426939 in words is "two billion, four hundred thirty million, four hundred twenty-six thousand, nine hundred thirty-nine".

Divisors: 1 3 31 93 113 339 3503 10509 231271 693813 7169401 21508203 26133623 78400869 810142313 2430426939