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330301221 = 3397277331
BaseRepresentation
bin10011101011111…
…111111100100101
3212000112001002120
4103223333330211
51134024114341
652435300153
711120341215
oct2353777445
9760461076
10330301221
1115a4a0218
129274a659
1353579c13
1431c20245
151dee7066
hex13afff25

330301221 has 8 divisors (see below), whose sum is σ = 441512544. Its totient is φ = 219645360.

The previous prime is 330301193. The next prime is 330301241. The reversal of 330301221 is 122103033.

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

It is not a de Polignac number, because 330301221 - 26 = 330301157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 330301221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330301241) 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, 137475 + ... + 139856.

It is an arithmetic number, because the mean of its divisors is an integer number (55189068).

Almost surely, 2330301221 is an apocalyptic number.

It is an amenable number.

330301221 is a deficient number, since it is larger than the sum of its proper divisors (111211323).

330301221 is a wasteful number, since it uses less digits than its factorization.

330301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277731.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 330301221 is about 18174.1910686556. The cubic root of 330301221 is about 691.2525181094.

Adding to 330301221 its reverse (122103033), we get a palindrome (452404254).

It can be divided in two parts, 3303012 and 21, that added together give a palindrome (3303033).

The spelling of 330301221 in words is "three hundred thirty million, three hundred one thousand, two hundred twenty-one".

Divisors: 1 3 397 1191 277331 831993 110100407 330301221