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6662630 = 251353967
BaseRepresentation
bin11001011010100111100110
3110112111102002
4121122213212
53201201010
6354445302
7110426402
oct31324746
913474362
106662630
113840807
122293832
1314c37b0
14c56102
158b91a5
hex65a9e6

6662630 has 32 divisors (see below), whose sum is σ = 13172544. Its totient is φ = 2411136.

The previous prime is 6662581. The next prime is 6662633. The reversal of 6662630 is 362666.

It is a junction number, because it is equal to n+sod(n) for n = 6662593 and 6662602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6407 + ... + 7373.

It is an arithmetic number, because the mean of its divisors is an integer number (411642).

Almost surely, 26662630 is an apocalyptic number.

6662630 is a deficient number, since it is larger than the sum of its proper divisors (6509914).

6662630 is a wasteful number, since it uses less digits than its factorization.

6662630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 6662630 is about 2581.2070819677. The cubic root of 6662630 is about 188.1692116190.

The spelling of 6662630 in words is "six million, six hundred sixty-two thousand, six hundred thirty".

Divisors: 1 2 5 10 13 26 53 65 106 130 265 530 689 967 1378 1934 3445 4835 6890 9670 12571 25142 51251 62855 102502 125710 256255 512510 666263 1332526 3331315 6662630