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321474 = 23131409
BaseRepresentation
bin1001110011111000010
3121022222110
41032133002
540241344
610520150
72506146
oct1163702
9538873
10321474
111aa58a
12136056
13b342a
1485226
15653b9
hex4e7c2

321474 has 16 divisors (see below), whose sum is σ = 649440. Its totient is φ = 106080.

The previous prime is 321469. The next prime is 321509. The reversal of 321474 is 474123.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 321474.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 321474.

It is an unprimeable number.

321474 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582 + ... + 990.

It is an arithmetic number, because the mean of its divisors is an integer number (40590).

2321474 is an apocalyptic number.

321474 is an abundant number, since it is smaller than the sum of its proper divisors (327966).

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

321474 is a wasteful number, since it uses less digits than its factorization.

321474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545.

The product of its digits is 672, while the sum is 21.

The square root of 321474 is about 566.9867723325. The cubic root of 321474 is about 68.5038980501.

Adding to 321474 its reverse (474123), we get a palindrome (795597).

The spelling of 321474 in words is "three hundred twenty-one thousand, four hundred seventy-four", and thus it is an iban number.

Divisors: 1 2 3 6 131 262 393 409 786 818 1227 2454 53579 107158 160737 321474