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343442 = 21167233
BaseRepresentation
bin1010011110110010010
3122110010002
41103312102
541442232
611210002
72630201
oct1236622
9573102
10343442
11215040
12146902
13c0428
148d238
156bb62
hex53d92

343442 has 16 divisors (see below), whose sum is σ = 572832. Its totient is φ = 153120.

The previous prime is 343433. The next prime is 343481. The reversal of 343442 is 244343.

It is a happy number.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343442.

It is an unprimeable number.

343442 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, 1358 + ... + 1590.

It is an arithmetic number, because the mean of its divisors is an integer number (35802).

2343442 is an apocalyptic number.

343442 is a deficient number, since it is larger than the sum of its proper divisors (229390).

343442 is a wasteful number, since it uses less digits than its factorization.

343442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its digits is 1152, while the sum is 20.

The square root of 343442 is about 586.0392478324. The cubic root of 343442 is about 70.0300551209.

Adding to 343442 its reverse (244343), we get a palindrome (587785).

Subtracting from 343442 its reverse (244343), we obtain a palindrome (99099).

The spelling of 343442 in words is "three hundred forty-three thousand, four hundred forty-two", and thus it is an iban number.

Divisors: 1 2 11 22 67 134 233 466 737 1474 2563 5126 15611 31222 171721 343442