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8225980 = 225758757
BaseRepresentation
bin11111011000010010111100
3120110220220221
4133120102330
54101212410
6452151124
7126630310
oct37302274
916426827
108225980
114709334
1229084a4
131920259
141141b40
15ac74da
hex7d84bc

8225980 has 24 divisors (see below), whose sum is σ = 19742688. Its totient is φ = 2820288.

The previous prime is 8225963. The next prime is 8225983. The reversal of 8225980 is 895228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8225983) 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 7 ways as a sum of consecutive naturals, for example, 29239 + ... + 29518.

It is an arithmetic number, because the mean of its divisors is an integer number (822612).

Almost surely, 28225980 is an apocalyptic number.

It is an amenable number.

8225980 is an abundant number, since it is smaller than the sum of its proper divisors (11516708).

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

8225980 is a wasteful number, since it uses less digits than its factorization.

8225980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58773 (or 58771 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 8225980 is about 2868.0969300217. The cubic root of 8225980 is about 201.8657082120.

It can be divided in two parts, 82 and 25980, that added together give a palindrome (26062).

The spelling of 8225980 in words is "eight million, two hundred twenty-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 58757 117514 235028 293785 411299 587570 822598 1175140 1645196 2056495 4112990 8225980