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457230 = 23515241
BaseRepresentation
bin1101111101000001110
3212020012110
41233220032
5104112410
613444450
73613014
oct1575016
9766173
10457230
11292584
121a0726
13130167
14bc8b4
1590720
hex6fa0e

457230 has 16 divisors (see below), whose sum is σ = 1097424. Its totient is φ = 121920.

The previous prime is 457229. The next prime is 457241. The reversal of 457230 is 32754.

It is a happy number.

457230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 457197 and 457206.

It is a congruent number.

It is an unprimeable number.

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, 7591 + ... + 7650.

It is an arithmetic number, because the mean of its divisors is an integer number (68589).

2457230 is an apocalyptic number.

457230 is an abundant number, since it is smaller than the sum of its proper divisors (640194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

457230 is a wasteful number, since it uses less digits than its factorization.

457230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15251.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 457230 is about 676.1878437239. The cubic root of 457230 is about 77.0391659972.

Adding to 457230 its reverse (32754), we get a palindrome (489984).

The spelling of 457230 in words is "four hundred fifty-seven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 15241 30482 45723 76205 91446 152410 228615 457230