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352233421 = 17181114473
BaseRepresentation
bin10100111111101…
…010011111001101
3220112210022102021
4110333222133031
51210132432141
654541330141
711504635411
oct2477523715
9815708367
10352233421
11170910201
1299b66951
1357c88957
1434accd41
1520dca6d1
hex14fea7cd

352233421 has 8 divisors (see below), whose sum is σ = 375016824. Its totient is φ = 329679360.

The previous prime is 352233397. The next prime is 352233437. The reversal of 352233421 is 124332253.

It can be written as a sum of positive squares in 4 ways, for example, as 40322500 + 311910921 = 6350^2 + 17661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 352233421 - 217 = 352102349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352233221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54160 + ... + 60313.

It is an arithmetic number, because the mean of its divisors is an integer number (46877103).

Almost surely, 2352233421 is an apocalyptic number.

It is an amenable number.

352233421 is a deficient number, since it is larger than the sum of its proper divisors (22783403).

352233421 is a wasteful number, since it uses less digits than its factorization.

352233421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114671.

The product of its digits is 4320, while the sum is 25.

The square root of 352233421 is about 18767.8826989088. The cubic root of 352233421 is about 706.2257040641.

Adding to 352233421 its reverse (124332253), we get a palindrome (476565674).

The spelling of 352233421 in words is "three hundred fifty-two million, two hundred thirty-three thousand, four hundred twenty-one".

Divisors: 1 17 181 3077 114473 1946041 20719613 352233421