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30331010 = 253033101
BaseRepresentation
bin111001110110…
…1000010000010
32010001222022202
41303231002002
530231043020
63002033202
7515544413
oct163550202
963058282
1030331010
1116137156
12a1a8802
13638c858
14405780a
1529e1e75
hex1ced082

30331010 has 8 divisors (see below), whose sum is σ = 54595836. Its totient is φ = 12132400.

The previous prime is 30331003. The next prime is 30331019. The reversal of 30331010 is 1013303.

It can be written as a sum of positive squares in 2 ways, for example, as 28633201 + 1697809 = 5351^2 + 1303^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30330982 and 30331000.

It is not an unprimeable number, because it can be changed into a prime (30331019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516541 + ... + 1516560.

Almost surely, 230331010 is an apocalyptic number.

30331010 is a deficient number, since it is larger than the sum of its proper divisors (24264826).

30331010 is a wasteful number, since it uses less digits than its factorization.

30331010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033108.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 30331010 is about 5507.3596214520. The cubic root of 30331010 is about 311.8618786506.

Adding to 30331010 its reverse (1013303), we get a palindrome (31344313).

It can be divided in two parts, 303 and 31010, that added together give a palindrome (31313).

The spelling of 30331010 in words is "thirty million, three hundred thirty-one thousand, ten".

Divisors: 1 2 5 10 3033101 6066202 15165505 30331010