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7930330 = 251746649
BaseRepresentation
bin11110010000000111011010
3112220220100221
4132100013122
54012232310
6441550254
7124256332
oct36200732
915826327
107930330
1145271a1
1227a538a
131848805
1410a60c2
15a69ada
hex7901da

7930330 has 16 divisors (see below), whose sum is σ = 15114600. Its totient is φ = 2985472.

The previous prime is 7930319. The next prime is 7930333. The reversal of 7930330 is 330397.

It can be written as a sum of positive squares in 4 ways, for example, as 7469289 + 461041 = 2733^2 + 679^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7930295 and 7930304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7930333) 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 7 ways as a sum of consecutive naturals, for example, 23155 + ... + 23494.

Almost surely, 27930330 is an apocalyptic number.

7930330 is a deficient number, since it is larger than the sum of its proper divisors (7184270).

7930330 is a wasteful number, since it uses less digits than its factorization.

7930330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46673.

The product of its (nonzero) digits is 1701, while the sum is 25.

The square root of 7930330 is about 2816.0841606742. The cubic root of 7930330 is about 199.4177230798.

The spelling of 7930330 in words is "seven million, nine hundred thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 46649 93298 233245 466490 793033 1586066 3965165 7930330