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343212 = 22337773
BaseRepresentation
bin1010011110010101100
3122102210120
41103302230
541440322
611204540
72626422
oct1236254
9572716
10343212
11214951
12146750
13c02ac
148d112
156ba5c
hex53cac

343212 has 24 divisors (see below), whose sum is σ = 823536. Its totient is φ = 111168.

The previous prime is 343199. The next prime is 343219. The reversal of 343212 is 212343.

Adding to 343212 its reverse (212343), we get a palindrome (555555).

It can be divided in two parts, 343 and 212, that added together give a palindrome (555).

343212 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a nude number because it is divisible by every one of its digits.

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 = 343191 and 343200.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343212.

It is not an unprimeable number, because it can be changed into a prime (343219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58 + ... + 830.

It is an arithmetic number, because the mean of its divisors is an integer number (34314).

2343212 is an apocalyptic number.

It is an amenable number.

343212 is an abundant number, since it is smaller than the sum of its proper divisors (480324).

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

343212 is a wasteful number, since it uses less digits than its factorization.

343212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 815 counting only the distinct ones).

The product of its digits is 144, while the sum is 15.

The square root of 343212 is about 585.8429823767. The cubic root of 343212 is about 70.0144187985.

The spelling of 343212 in words is "three hundred forty-three thousand, two hundred twelve", and thus it is an iban number.

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 773 1546 2319 3092 4638 9276 28601 57202 85803 114404 171606 343212