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1049428733 = 1397549847
BaseRepresentation
bin111110100011010…
…000001011111101
32201010200111120212
4332203100023331
54122123204413
6252044522205
735001665663
oct7643201375
92633614525
101049428733
11499414381
12253550365
13139555562
149d536c33
15621e6ca8
hex3e8d02fd

1049428733 has 4 divisors (see below), whose sum is σ = 1056978720. Its totient is φ = 1041878748.

The previous prime is 1049428703. The next prime is 1049428747. The reversal of 1049428733 is 3378249401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1049428733 - 226 = 982319869 is a prime.

It is a super-2 number, since 2×10494287332 = 2202601331291970578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049428703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3774785 + ... + 3775062.

It is an arithmetic number, because the mean of its divisors is an integer number (264244680).

Almost surely, 21049428733 is an apocalyptic number.

It is an amenable number.

1049428733 is a deficient number, since it is larger than the sum of its proper divisors (7549987).

1049428733 is an equidigital number, since it uses as much as digits as its factorization.

1049428733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549986.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 1049428733 is about 32394.8874515717. The cubic root of 1049428733 is about 1016.2119952180.

The spelling of 1049428733 in words is "one billion, forty-nine million, four hundred twenty-eight thousand, seven hundred thirty-three".

Divisors: 1 139 7549847 1049428733