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1020305041 = 7173842531
BaseRepresentation
bin111100110100001…
…001111010010001
32122002212212101121
4330310021322101
54042144230131
6245124402241
734166310160
oct7464117221
92562785347
101020305041
11483a32308
12245846381
131334c93c2
14997153d7
155e892911
hex3cd09e91

1020305041 has 8 divisors (see below), whose sum is σ = 1172804544. Its totient is φ = 869490960.

The previous prime is 1020305021. The next prime is 1020305053. The reversal of 1020305041 is 1405030201.

1020305041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1020305041 - 211 = 1020302993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020305021) 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, 420055 + ... + 422476.

It is an arithmetic number, because the mean of its divisors is an integer number (146600568).

Almost surely, 21020305041 is an apocalyptic number.

It is an amenable number.

1020305041 is a deficient number, since it is larger than the sum of its proper divisors (152499503).

1020305041 is an equidigital number, since it uses as much as digits as its factorization.

1020305041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842711.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1020305041 is about 31942.2140904478. The cubic root of 1020305041 is about 1006.7230463553.

Adding to 1020305041 its reverse (1405030201), we get a palindrome (2425335242).

The spelling of 1020305041 in words is "one billion, twenty million, three hundred five thousand, forty-one".

Divisors: 1 7 173 1211 842531 5897717 145757863 1020305041