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4942491407 = 7706070201
BaseRepresentation
bin1001001101001100…
…00110111100001111
3110202110011120121022
410212212012330033
540110234211112
62134234424355
7233323324640
oct44646067417
913673146538
104942491407
1121069a8a47
12b5b2920bb
13609c74939
1434c5b16c7
151ddd96d72
hex126986f0f

4942491407 has 4 divisors (see below), whose sum is σ = 5648561616. Its totient is φ = 4236421200.

The previous prime is 4942491403. The next prime is 4942491439. The reversal of 4942491407 is 7041942494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7041942494 = 23520971247.

It is a cyclic number.

It is not a de Polignac number, because 4942491407 - 22 = 4942491403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4942491401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353035094 + ... + 353035107.

It is an arithmetic number, because the mean of its divisors is an integer number (1412140404).

Almost surely, 24942491407 is an apocalyptic number.

4942491407 is a deficient number, since it is larger than the sum of its proper divisors (706070209).

4942491407 is an equidigital number, since it uses as much as digits as its factorization.

4942491407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706070208.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 4942491407 is about 70302.8548993567. The cubic root of 4942491407 is about 1703.3947627871.

The spelling of 4942491407 in words is "four billion, nine hundred forty-two million, four hundred ninety-one thousand, four hundred seven".

Divisors: 1 7 706070201 4942491407