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344230420 = 225231674481
BaseRepresentation
bin10100100001001…
…000101000010100
3212222201201100211
4110201020220110
51201110333140
654054015204
711346624142
oct2441105024
9788651324
10344230420
11167344456
1297347504
1356416051
1433a08592
15203492ea
hex14848a14

344230420 has 48 divisors (see below), whose sum is σ = 758999808. Its totient is φ = 130887680.

The previous prime is 344230357. The next prime is 344230427. The reversal of 344230420 is 24032443.

It is a junction number, because it is equal to n+sod(n) for n = 344230391 and 344230400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344230427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74580 + ... + 79060.

It is an arithmetic number, because the mean of its divisors is an integer number (15812496).

Almost surely, 2344230420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344230420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379499904).

344230420 is an abundant number, since it is smaller than the sum of its proper divisors (414769388).

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

344230420 is a wasteful number, since it uses less digits than its factorization.

344230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680 (or 4678 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 344230420 is about 18553.4476580500. The cubic root of 344230420 is about 700.8360215364.

Adding to 344230420 its reverse (24032443), we get a palindrome (368262863).

The spelling of 344230420 in words is "three hundred forty-four million, two hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 167 230 334 460 668 835 1670 3340 3841 4481 7682 8962 15364 17924 19205 22405 38410 44810 76820 89620 103063 206126 412252 515315 748327 1030630 1496654 2061260 2993308 3741635 7483270 14966540 17211521 34423042 68846084 86057605 172115210 344230420