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1042505223 = 32811236661
BaseRepresentation
bin111110001000110…
…101111000000111
32200122122202022120
4332020311320013
54113340131343
6251240301023
734556101554
oct7610657007
92618582276
101042505223
11495515671
12251171773
13137ca00c6
149c653a2b
15617ca683
hex3e235e07

1042505223 has 8 divisors (see below), whose sum is σ = 1394954736. Its totient is φ = 692529600.

The previous prime is 1042505221. The next prime is 1042505227. The reversal of 1042505223 is 3225052401.

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

It is not a de Polignac number, because 1042505223 - 21 = 1042505221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042505193 and 1042505202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042505221) 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, 617488 + ... + 619173.

It is an arithmetic number, because the mean of its divisors is an integer number (174369342).

Almost surely, 21042505223 is an apocalyptic number.

1042505223 is a deficient number, since it is larger than the sum of its proper divisors (352449513).

1042505223 is a wasteful number, since it uses less digits than its factorization.

1042505223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236945.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1042505223 is about 32287.8494638463. The cubic root of 1042505223 is about 1013.9722739833.

Adding to 1042505223 its reverse (3225052401), we get a palindrome (4267557624).

The spelling of 1042505223 in words is "one billion, forty-two million, five hundred five thousand, two hundred twenty-three".

Divisors: 1 3 281 843 1236661 3709983 347501741 1042505223