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20110330 = 252011033
BaseRepresentation
bin100110010110…
…1101111111010
31101211201012001
41030231233322
520122012310
61555011214
7332635462
oct114555772
941751161
1020110330
1110396209
126899b0a
134221706
142956ba2
151b7393a
hex132dbfa

20110330 has 8 divisors (see below), whose sum is σ = 36198612. Its totient is φ = 8044128.

The previous prime is 20110301. The next prime is 20110339. The reversal of 20110330 is 3301102.

It can be written as a sum of positive squares in 2 ways, for example, as 18344089 + 1766241 = 4283^2 + 1329^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 2011033 = 20110330 / (2 + 0 + 1 + 1 + 0 + 3 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (20110339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005507 + ... + 1005526.

Almost surely, 220110330 is an apocalyptic number.

20110330 is a deficient number, since it is larger than the sum of its proper divisors (16088282).

20110330 is a wasteful number, since it uses less digits than its factorization.

20110330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011040.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 20110330 is about 4484.4542588815. The cubic root of 20110330 is about 271.9399827933.

Adding to 20110330 its reverse (3301102), we get a palindrome (23411432).

The spelling of 20110330 in words is "twenty million, one hundred ten thousand, three hundred thirty".

Divisors: 1 2 5 10 2011033 4022066 10055165 20110330