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343630 = 2574909
BaseRepresentation
bin1010011111001001110
3122110101001
41103321032
541444010
611210514
72630560
oct1237116
9573331
10343630
112151a1
12146a3a
13c0541
148d330
156bc3a
hex53e4e

343630 has 16 divisors (see below), whose sum is σ = 707040. Its totient is φ = 117792.

The previous prime is 343627. The next prime is 343631. The reversal of 343630 is 36343.

It is a happy 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 = 343598 and 343607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343631) by changing a digit.

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, 2385 + ... + 2524.

It is an arithmetic number, because the mean of its divisors is an integer number (44190).

2343630 is an apocalyptic number.

343630 is an abundant number, since it is smaller than the sum of its proper divisors (363410).

It is a weird number, because it is abundant, but not a pseudoperfect number.

343630 is a wasteful number, since it uses less digits than its factorization.

343630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 343630 is about 586.1996247013. The cubic root of 343630 is about 70.0428309305.

Adding to 343630 its reverse (36343), we get a palindrome (379973).

The spelling of 343630 in words is "three hundred forty-three thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 4909 9818 24545 34363 49090 68726 171815 343630