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1042768633 = 1139228041
BaseRepresentation
bin111110001001110…
…110001011111001
32200200011010122111
4332021312023321
54113422044013
6251250052321
734561246534
oct7611661371
92620133574
101042768633
11495685565
1225127a0a1
13138062c7a
149c6c1a1b
156182d73d
hex3e2762f9

1042768633 has 4 divisors (see below), whose sum is σ = 1051996788. Its totient is φ = 1033540480.

The previous prime is 1042768613. The next prime is 1042768663. The reversal of 1042768633 is 3368672401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96098809 + 946669824 = 9803^2 + 30768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1042768633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042768613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4613908 + ... + 4614133.

It is an arithmetic number, because the mean of its divisors is an integer number (262999197).

Almost surely, 21042768633 is an apocalyptic number.

It is an amenable number.

1042768633 is a deficient number, since it is larger than the sum of its proper divisors (9228155).

1042768633 is an equidigital number, since it uses as much as digits as its factorization.

1042768633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9228154.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 1042768633 is about 32291.9282948541. The cubic root of 1042768633 is about 1014.0576669830.

It can be divided in two parts, 1042768 and 633, that added together give a palindrome (1043401).

The spelling of 1042768633 in words is "one billion, forty-two million, seven hundred sixty-eight thousand, six hundred thirty-three".

Divisors: 1 113 9228041 1042768633