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352132420 = 22577322777
BaseRepresentation
bin10100111111010…
…001110101000100
3220112121011212111
4110333101311010
51210121214140
654535230404
711504035063
oct2477216504
9815534774
10352132420
11170851332
1299b18404
1357c519a3
1434aa41da
1520daa7ea
hex14fd1d44

352132420 has 24 divisors (see below), whose sum is σ = 740467224. Its totient is φ = 140664576.

The previous prime is 352132357. The next prime is 352132421. The reversal of 352132420 is 24231253.

It can be written as a sum of positive squares in 4 ways, for example, as 28708164 + 323424256 = 5358^2 + 17984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 352132391 and 352132400.

It is not an unprimeable number, because it can be changed into a prime (352132421) 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, 4072 + ... + 26848.

It is an arithmetic number, because the mean of its divisors is an integer number (30852801).

Almost surely, 2352132420 is an apocalyptic number.

It is an amenable number.

352132420 is an abundant number, since it is smaller than the sum of its proper divisors (388334804).

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

352132420 is a wasteful number, since it uses less digits than its factorization.

352132420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23559 (or 23557 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 352132420 is about 18765.1917123167. The cubic root of 352132420 is about 706.1581954964.

Adding to 352132420 its reverse (24231253), we get a palindrome (376363673).

The spelling of 352132420 in words is "three hundred fifty-two million, one hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 773 1546 3092 3865 7730 15460 22777 45554 91108 113885 227770 455540 17606621 35213242 70426484 88033105 176066210 352132420