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321412 = 22713883
BaseRepresentation
bin1001110011110000100
3121022220011
41032132010
540241122
610520004
72506030
oct1163604
9538804
10321412
111aa533
12136004
13b33b0
14851c0
1565377
hex4e784

321412 has 24 divisors (see below), whose sum is σ = 693056. Its totient is φ = 127008.

The previous prime is 321403. The next prime is 321413. The reversal of 321412 is 214123.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an Ulam number.

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

It is a junction number, because it is equal to n+sod(n) for n = 321392 and 321401.

It is not an unprimeable number, because it can be changed into a prime (321413) by changing a digit.

321412 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, 78 + ... + 805.

2321412 is an apocalyptic number.

It is an amenable number.

321412 is an abundant number, since it is smaller than the sum of its proper divisors (371644).

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

321412 is a wasteful number, since it uses less digits than its factorization.

321412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 905 counting only the distinct ones).

The product of its digits is 48, while the sum is 13.

The square root of 321412 is about 566.9320946992. The cubic root of 321412 is about 68.4994938425.

Adding to 321412 its reverse (214123), we get a palindrome (535535).

It can be divided in two parts, 32 and 1412, that added together give a square (1444 = 382).

The spelling of 321412 in words is "three hundred twenty-one thousand, four hundred twelve", and thus it is an iban number.

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 883 1766 3532 6181 11479 12362 22958 24724 45916 80353 160706 321412