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920200481 is a prime number
BaseRepresentation
bin110110110110010…
…010010100100001
32101010112000202022
4312312102110201
53341032403411
6231151031225
731542401144
oct6666222441
92333460668
10920200481
1143247a272
1221820b515
1311884a135
148a2d805b
1555bbbedb
hex36d92521

920200481 has 2 divisors, whose sum is σ = 920200482. Its totient is φ = 920200480.

The previous prime is 920200441. The next prime is 920200483. The reversal of 920200481 is 184002029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 777517456 + 142683025 = 27884^2 + 11945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-920200481 is a prime.

It is a super-2 number, since 2×9202004812 = 1693537850465262722, which contains 22 as substring.

Together with 920200483, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 920200481.

It is not a weakly prime, because it can be changed into another prime (920200483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460100240 + 460100241.

It is an arithmetic number, because the mean of its divisors is an integer number (460100241).

Almost surely, 2920200481 is an apocalyptic number.

It is an amenable number.

920200481 is a deficient number, since it is larger than the sum of its proper divisors (1).

920200481 is an equidigital number, since it uses as much as digits as its factorization.

920200481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 920200481 is about 30334.8064276006. The cubic root of 920200481 is about 972.6594680373.

The spelling of 920200481 in words is "nine hundred twenty million, two hundred thousand, four hundred eighty-one".