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428351 = 7115563
BaseRepresentation
bin1101000100100111111
3210202120212
41220210333
5102201401
613103035
73432560
oct1504477
9722525
10428351
11272910
12187a7b
1311cc81
14b2167
1586dbb
hex6893f

428351 has 8 divisors (see below), whose sum is σ = 534144. Its totient is φ = 333720.

The previous prime is 428339. The next prime is 428353. The reversal of 428351 is 153824.

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 428351 - 210 = 427327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2705 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (66768).

2428351 is an apocalyptic number.

428351 is a deficient number, since it is larger than the sum of its proper divisors (105793).

428351 is a wasteful number, since it uses less digits than its factorization.

428351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581.

The product of its digits is 960, while the sum is 23.

The square root of 428351 is about 654.4852939524. The cubic root of 428351 is about 75.3818158862.

It can be divided in two parts, 4283 and 51, that added together give a palindrome (4334).

The spelling of 428351 in words is "four hundred twenty-eight thousand, three hundred fifty-one".

Divisors: 1 7 11 77 5563 38941 61193 428351