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634109442 = 23105684907
BaseRepresentation
bin100101110010111…
…011111000000010
31122012012002121220
4211302323320002
52244313000232
6142531055510
721466561401
oct4562737002
91565162556
10634109442
112a5a3589a
12158441596
13a14ac1b5
1460305638
153aa0942c
hex25cbbe02

634109442 has 8 divisors (see below), whose sum is σ = 1268218896. Its totient is φ = 211369812.

The previous prime is 634109419. The next prime is 634109461. The reversal of 634109442 is 244901436.

634109442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

634109442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52842448 + ... + 52842459.

It is an arithmetic number, because the mean of its divisors is an integer number (158527362).

Almost surely, 2634109442 is an apocalyptic number.

634109442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

634109442 is a wasteful number, since it uses less digits than its factorization.

634109442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105684912.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 634109442 is about 25181.5297787883. The cubic root of 634109442 is about 859.1218013776.

The spelling of 634109442 in words is "six hundred thirty-four million, one hundred nine thousand, four hundred forty-two".

Divisors: 1 2 3 6 105684907 211369814 317054721 634109442