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428410 = 2542841
BaseRepresentation
bin1101000100101111010
3210202200001
41220211322
5102202120
613103214
73433003
oct1504572
9722601
10428410
11272964
12187b0a
1311ccc8
14b21aa
1586e0a
hex6897a

428410 has 8 divisors (see below), whose sum is σ = 771156. Its totient is φ = 171360.

The previous prime is 428401. The next prime is 428411. The reversal of 428410 is 14824.

It can be written as a sum of positive squares in 2 ways, for example, as 418609 + 9801 = 647^2 + 99^2 .

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

It is not an unprimeable number, because it can be changed into a prime (428411) 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, 21411 + ... + 21430.

2428410 is an apocalyptic number.

428410 is a deficient number, since it is larger than the sum of its proper divisors (342746).

428410 is a wasteful number, since it uses less digits than its factorization.

428410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42848.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 428410 is about 654.5303659877. The cubic root of 428410 is about 75.3852766951.

It can be divided in two parts, 428 and 410, that added together give a palindrome (838).

The spelling of 428410 in words is "four hundred twenty-eight thousand, four hundred ten".

Divisors: 1 2 5 10 42841 85682 214205 428410