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2906431457 = 5105956923
BaseRepresentation
bin1010110100111100…
…1001111111100001
321111112222000102112
42231033021333201
521423021301312
61200222525105
7132011155046
oct25517117741
97445860375
102906431457
111261671a76
12691436795
133741b3237
141d800b1cd
1512025ed22
hexad3c9fe1

2906431457 has 4 divisors (see below), whose sum is σ = 2906539440. Its totient is φ = 2906323476.

The previous prime is 2906431453. The next prime is 2906431459. The reversal of 2906431457 is 7541346092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2906431457 - 22 = 2906431453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2906431453) 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 3 ways as a sum of consecutive naturals, for example, 22598 + ... + 79520.

It is an arithmetic number, because the mean of its divisors is an integer number (726634860).

Almost surely, 22906431457 is an apocalyptic number.

It is an amenable number.

2906431457 is a deficient number, since it is larger than the sum of its proper divisors (107983).

2906431457 is an equidigital number, since it uses as much as digits as its factorization.

2906431457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107982.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 2906431457 is about 53911.3295792267. The cubic root of 2906431457 is about 1427.0965682325.

The spelling of 2906431457 in words is "two billion, nine hundred six million, four hundred thirty-one thousand, four hundred fifty-seven".

Divisors: 1 51059 56923 2906431457