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420914 = 21316189
BaseRepresentation
bin1100110110000110010
3210101101102
41212300302
5101432124
613004402
73402104
oct1466062
9711342
10420914
1126826a
12183702
13119780
14ad574
1584aae
hex66c32

420914 has 8 divisors (see below), whose sum is σ = 679980. Its totient is φ = 194256.

The previous prime is 420899. The next prime is 420919. The reversal of 420914 is 419024.

It can be written as a sum of positive squares in 2 ways, for example, as 403225 + 17689 = 635^2 + 133^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 420914.

It is not an unprimeable number, because it can be changed into a prime (420919) 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, 8069 + ... + 8120.

2420914 is an apocalyptic number.

420914 is a deficient number, since it is larger than the sum of its proper divisors (259066).

420914 is a wasteful number, since it uses less digits than its factorization.

420914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16204.

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

The square root of 420914 is about 648.7788529229. The cubic root of 420914 is about 74.9430085558.

Adding to 420914 its reverse (419024), we get a palindrome (839938).

The spelling of 420914 in words is "four hundred twenty thousand, nine hundred fourteen".

Divisors: 1 2 13 26 16189 32378 210457 420914