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428141 = 7311973
BaseRepresentation
bin1101000100001101101
3210202022002
41220201231
5102200031
613102045
73432140
oct1504155
9722262
10428141
1127273a
12187925
1311cb4c
14b2057
1586ccb
hex6886d

428141 has 8 divisors (see below), whose sum is σ = 505344. Its totient is φ = 354960.

The previous prime is 428137. The next prime is 428143. The reversal of 428141 is 141824.

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 428141 - 22 = 428137 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 428141.

It is not an unprimeable number, because it can be changed into a prime (428143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770 + ... + 1203.

It is an arithmetic number, because the mean of its divisors is an integer number (63168).

2428141 is an apocalyptic number.

It is an amenable number.

428141 is a deficient number, since it is larger than the sum of its proper divisors (77203).

428141 is a wasteful number, since it uses less digits than its factorization.

428141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011.

The product of its digits is 256, while the sum is 20.

The square root of 428141 is about 654.3248428724. The cubic root of 428141 is about 75.3694951734.

Adding to 428141 its reverse (141824), we get a palindrome (569965).

The spelling of 428141 in words is "four hundred twenty-eight thousand, one hundred forty-one".

Divisors: 1 7 31 217 1973 13811 61163 428141