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22820060 = 2253673109
BaseRepresentation
bin101011100001…
…1010011011100
31120221101020102
41113003103130
521320220220
62133040232
7364652534
oct127032334
946841212
1022820060
111197705a
127786078
13495cbc3
1430604c4
15200b775
hex15c34dc

22820060 has 24 divisors (see below), whose sum is σ = 48068160. Its totient is φ = 9100224.

The previous prime is 22820053. The next prime is 22820081. The reversal of 22820060 is 6002822.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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, 5786 + ... + 8894.

It is an arithmetic number, because the mean of its divisors is an integer number (2002840).

Almost surely, 222820060 is an apocalyptic number.

22820060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22820060 is an abundant number, since it is smaller than the sum of its proper divisors (25248100).

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

22820060 is a wasteful number, since it uses less digits than its factorization.

22820060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 22820060 is about 4777.0346450492. The cubic root of 22820060 is about 283.6431244404.

Adding to 22820060 its reverse (6002822), we get a palindrome (28822882).

The spelling of 22820060 in words is "twenty-two million, eight hundred twenty thousand, sixty".

Divisors: 1 2 4 5 10 20 367 734 1468 1835 3109 3670 6218 7340 12436 15545 31090 62180 1141003 2282006 4564012 5705015 11410030 22820060