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134444023 = 789215801
BaseRepresentation
bin10000000001101…
…11001111110111
3100100222110112021
420000313033313
5233404202043
621201334011
73221520040
oct1000671767
9310873467
10134444023
116998786a
1239037307
1321b1349c
1413bd98c7
15bc0a3ed
hex80373f7

134444023 has 8 divisors (see below), whose sum is σ = 155377440. Its totient is φ = 113942400.

The previous prime is 134444003. The next prime is 134444033. The reversal of 134444023 is 320444431.

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

It is a cyclic number.

It is not a de Polignac number, because 134444023 - 29 = 134443511 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 (134444003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107278 + ... + 108523.

It is an arithmetic number, because the mean of its divisors is an integer number (19422180).

Almost surely, 2134444023 is an apocalyptic number.

134444023 is a deficient number, since it is larger than the sum of its proper divisors (20933417).

134444023 is an equidigital number, since it uses as much as digits as its factorization.

134444023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215897.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 134444023 is about 11594.9999137559. Note that the first 4 decimals coincide. The cubic root of 134444023 is about 512.2875874062.

Adding to 134444023 its reverse (320444431), we get a palindrome (454888454).

The spelling of 134444023 in words is "one hundred thirty-four million, four hundred forty-four thousand, twenty-three".

Divisors: 1 7 89 623 215801 1510607 19206289 134444023