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420941 is a prime number
BaseRepresentation
bin1100110110001001101
3210101102102
41212301031
5101432231
613004445
73402143
oct1466115
9711372
10420941
11268294
12183725
131197a1
14ad593
1584acb
hex66c4d

420941 has 2 divisors, whose sum is σ = 420942. Its totient is φ = 420940.

The previous prime is 420929. The next prime is 420967. The reversal of 420941 is 149024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372100 + 48841 = 610^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 420941 - 214 = 404557 is a prime.

It is a Chen prime.

It is equal to p35462 and since 420941 and 35462 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210470 + 210471.

It is an arithmetic number, because the mean of its divisors is an integer number (210471).

2420941 is an apocalyptic number.

It is an amenable number.

420941 is a deficient number, since it is larger than the sum of its proper divisors (1).

420941 is an equidigital number, since it uses as much as digits as its factorization.

420941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 420941 is about 648.7996609124. The cubic root of 420941 is about 74.9446109560.

Adding to 420941 its reverse (149024), we get a palindrome (569965).

The spelling of 420941 in words is "four hundred twenty thousand, nine hundred forty-one".