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428701 = 7213673
BaseRepresentation
bin1101000101010011101
3210210001211
41220222131
5102204301
613104421
73433600
oct1505235
9723054
10428701
112730a9
12188111
13120190
14b2337
1587051
hex68a9d

428701 has 12 divisors (see below), whose sum is σ = 537852. Its totient is φ = 338688.

The previous prime is 428693. The next prime is 428731. The reversal of 428701 is 107824.

It can be written as a sum of positive squares in 2 ways, for example, as 99225 + 329476 = 315^2 + 574^2 .

It is not a de Polignac number, because 428701 - 23 = 428693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301 + ... + 973.

It is an arithmetic number, because the mean of its divisors is an integer number (44821).

2428701 is an apocalyptic number.

It is an amenable number.

428701 is a deficient number, since it is larger than the sum of its proper divisors (109151).

428701 is a wasteful number, since it uses less digits than its factorization.

428701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 428701 is about 654.7526250425. The cubic root of 428701 is about 75.4023414621.

The spelling of 428701 in words is "four hundred twenty-eight thousand, seven hundred one".

Divisors: 1 7 13 49 91 637 673 4711 8749 32977 61243 428701