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330220401 = 37311992549
BaseRepresentation
bin10011101011101…
…100001101110001
3212000100221020020
4103223230031301
51134014023101
652433434053
711116553460
oct2353541561
9760327206
10330220401
1115a445525
129270b929
135354c1b4
1431bdc9d7
151decd136
hex13aec371

330220401 has 32 divisors (see below), whose sum is σ = 522240000. Its totient is φ = 181621440.

The previous prime is 330220381. The next prime is 330220403. The reversal of 330220401 is 104022033.

It is not a de Polignac number, because 330220401 - 26 = 330220337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (330220403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128275 + ... + 130823.

It is an arithmetic number, because the mean of its divisors is an integer number (16320000).

Almost surely, 2330220401 is an apocalyptic number.

330220401 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

330220401 is a deficient number, since it is larger than the sum of its proper divisors (192019599).

330220401 is a wasteful number, since it uses less digits than its factorization.

330220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 330220401 is about 18171.9674498938. The cubic root of 330220401 is about 691.1961336315.

Adding to 330220401 its reverse (104022033), we get a palindrome (434242434).

The spelling of 330220401 in words is "three hundred thirty million, two hundred twenty thousand, four hundred one".

Divisors: 1 3 7 21 31 93 199 217 597 651 1393 2549 4179 6169 7647 17843 18507 43183 53529 79019 129549 237057 507251 553133 1521753 1659399 3550757 10652271 15724781 47174343 110073467 330220401