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420963 = 3140321
BaseRepresentation
bin1100110110001100011
3210101110020
41212301203
5101432323
613004523
73402204
oct1466143
9711406
10420963
11268304
12183743
131197ba
14ad5ab
1584ae3
hex66c63

420963 has 4 divisors (see below), whose sum is σ = 561288. Its totient is φ = 280640.

The previous prime is 420941. The next prime is 420967. The reversal of 420963 is 369024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420963 - 26 = 420899 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (420967) 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, 70158 + ... + 70163.

It is an arithmetic number, because the mean of its divisors is an integer number (140322).

2420963 is an apocalyptic number.

420963 is a deficient number, since it is larger than the sum of its proper divisors (140325).

420963 is a wasteful number, since it uses less digits than its factorization.

420963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140324.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 420963 is about 648.8166150770. The cubic root of 420963 is about 74.9459165647.

Adding to 420963 its reverse (369024), we get a palindrome (789987).

The spelling of 420963 in words is "four hundred twenty thousand, nine hundred sixty-three".

Divisors: 1 3 140321 420963