Search a number
-
+
332330221 = 10315720551
BaseRepresentation
bin10011110011101…
…111010011101101
3212011100010100201
4103303233103231
51140034031341
652550553501
711143521526
oct2363572355
9764303321
10332330221
11160656683
1293368891
1353b0a602
14321cb84d
151e298331
hex13cef4ed

332330221 has 8 divisors (see below), whose sum is σ = 337710464. Its totient is φ = 326991600.

The previous prime is 332330179. The next prime is 332330233. The reversal of 332330221 is 122033233.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-332330221 is a prime.

It is a super-2 number, since 2×3323302212 = 220886751579817682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332330291) 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, 5896 + ... + 26446.

It is an arithmetic number, because the mean of its divisors is an integer number (42213808).

Almost surely, 2332330221 is an apocalyptic number.

It is an amenable number.

332330221 is a deficient number, since it is larger than the sum of its proper divisors (5380243).

332330221 is a wasteful number, since it uses less digits than its factorization.

332330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20811.

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

The square root of 332330221 is about 18229.9265220680. The cubic root of 332330221 is about 692.6650562522.

Adding to 332330221 its reverse (122033233), we get a palindrome (454363454).

The spelling of 332330221 in words is "three hundred thirty-two million, three hundred thirty thousand, two hundred twenty-one".

Divisors: 1 103 157 16171 20551 2116753 3226507 332330221