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1042444123 = 7523284743
BaseRepresentation
bin111110001000100…
…110111101011011
32200122112122111121
4332020212331123
54113331202443
6251235110111
734555425460
oct7610467533
92618478447
101042444123
11495483776
12251142337
13137c7b356
149c639667
15617b74ed
hex3e226f5b

1042444123 has 8 divisors (see below), whose sum is σ = 1193646848. Its totient is φ = 891811944.

The previous prime is 1042444103. The next prime is 1042444153. The reversal of 1042444123 is 3214442401.

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 1042444123 - 225 = 1008889691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042444103) 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, 138711 + ... + 146032.

It is an arithmetic number, because the mean of its divisors is an integer number (149205856).

Almost surely, 21042444123 is an apocalyptic number.

1042444123 is a deficient number, since it is larger than the sum of its proper divisors (151202725).

1042444123 is an equidigital number, since it uses as much as digits as its factorization.

1042444123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285273.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1042444123 is about 32286.9032736185. The cubic root of 1042444123 is about 1013.9524643571.

Adding to 1042444123 its reverse (3214442401), we get a palindrome (4256886524).

The spelling of 1042444123 in words is "one billion, forty-two million, four hundred forty-four thousand, one hundred twenty-three".

Divisors: 1 7 523 3661 284743 1993201 148920589 1042444123