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1028241733 = 1307786719
BaseRepresentation
bin111101010010011…
…011100101000101
32122122211002111011
4331102123211011
54101212213413
6250010442221
734323624211
oct7522334505
92578732434
101028241733
11488463262
12248433371
13135047a7c
149a7bd941
156040e33d
hex3d49b945

1028241733 has 4 divisors (see below), whose sum is σ = 1029029760. Its totient is φ = 1027453708.

The previous prime is 1028241727. The next prime is 1028241737. The reversal of 1028241733 is 3371428201.

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 a de Polignac number, because none of the positive numbers 2k-1028241733 is a prime.

It is a super-2 number, since 2×10282417332 = 2114562122965686578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1028241695 and 1028241704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028241737) 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, 392053 + ... + 394666.

It is an arithmetic number, because the mean of its divisors is an integer number (257257440).

Almost surely, 21028241733 is an apocalyptic number.

It is an amenable number.

1028241733 is a deficient number, since it is larger than the sum of its proper divisors (788027).

1028241733 is an equidigital number, since it uses as much as digits as its factorization.

1028241733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788026.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1028241733 is about 32066.2085847392. The cubic root of 1028241733 is about 1009.3266540925.

Adding to 1028241733 its reverse (3371428201), we get a palindrome (4399669934).

The spelling of 1028241733 in words is "one billion, twenty-eight million, two hundred forty-one thousand, seven hundred thirty-three".

Divisors: 1 1307 786719 1028241733