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1331030 = 25133103
BaseRepresentation
bin101000100111101010110
32111121211102
411010331112
5320043110
644310102
714212361
oct5047526
92447742
101331030
1182a028
12542332
13377abc
142690d8
151b45a5
hex144f56

1331030 has 8 divisors (see below), whose sum is σ = 2395872. Its totient is φ = 532408.

The previous prime is 1331023. The next prime is 1331039. The reversal of 1331030 is 301331.

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

It is an Ulam number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331039) 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, 66542 + ... + 66561.

It is an arithmetic number, because the mean of its divisors is an integer number (299484).

21331030 is an apocalyptic number.

1331030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331030 is a deficient number, since it is larger than the sum of its proper divisors (1064842).

1331030 is a wasteful number, since it uses less digits than its factorization.

1331030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133110.

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

The square root of 1331030 is about 1153.7027346765. The cubic root of 1331030 is about 110.0008264401. Note that the first 3 decimals are identical.

Adding to 1331030 its reverse (301331), we get a palindrome (1632361).

The spelling of 1331030 in words is "one million, three hundred thirty-one thousand, thirty".

Divisors: 1 2 5 10 133103 266206 665515 1331030