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6368980 = 2252979139
BaseRepresentation
bin11000010010111011010100
3102222120121011
4120102323110
53112301410
6344302004
7105064312
oct30227324
912876534
106368980
113660122
122171904
13141cc37
14bbb0b2
1585c18a
hex612ed4

6368980 has 48 divisors (see below), whose sum is σ = 14112000. Its totient is φ = 2411136.

The previous prime is 6368977. The next prime is 6368983. The reversal of 6368980 is 898636.

It is an interprime number because it is at equal distance from previous prime (6368977) and next prime (6368983).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6368983) 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 15 ways as a sum of consecutive naturals, for example, 45751 + ... + 45889.

It is an arithmetic number, because the mean of its divisors is an integer number (294000).

Almost surely, 26368980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6368980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7056000).

6368980 is an abundant number, since it is smaller than the sum of its proper divisors (7743020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6368980 is a wasteful number, since it uses less digits than its factorization.

6368980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 6368980 is about 2523.6838153778. The cubic root of 6368980 is about 185.3631047297.

The spelling of 6368980 in words is "six million, three hundred sixty-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 29 58 79 116 139 145 158 278 290 316 395 556 580 695 790 1390 1580 2291 2780 4031 4582 8062 9164 10981 11455 16124 20155 21962 22910 40310 43924 45820 54905 80620 109810 219620 318449 636898 1273796 1592245 3184490 6368980