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1034821081 = 7147831583
BaseRepresentation
bin111101101011100…
…001110111011001
32200010012100122201
4331223201313121
54104403233311
6250403450201
734433556040
oct7553416731
92603170581
101034821081
11491147438
1224a686961
1313650c688
149b613557
1560cad9c1
hex3dae1dd9

1034821081 has 4 divisors (see below), whose sum is σ = 1182652672. Its totient is φ = 886989492.

The previous prime is 1034821061. The next prime is 1034821133. The reversal of 1034821081 is 1801284301.

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 1034821081 - 25 = 1034821049 is a prime.

It is a super-2 number, since 2×10348210812 = 2141709339364017122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1034821061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73915785 + ... + 73915798.

It is an arithmetic number, because the mean of its divisors is an integer number (295663168).

Almost surely, 21034821081 is an apocalyptic number.

It is an amenable number.

1034821081 is a deficient number, since it is larger than the sum of its proper divisors (147831591).

1034821081 is an equidigital number, since it uses as much as digits as its factorization.

1034821081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147831590.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1034821081 is about 32168.6350503095. The cubic root of 1034821081 is about 1011.4748511514.

The spelling of 1034821081 in words is "one billion, thirty-four million, eight hundred twenty-one thousand, eighty-one".

Divisors: 1 7 147831583 1034821081