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2210140 = 225591873
BaseRepresentation
bin1000011011100101011100
311011021202001
420123211130
51031211030
6115212044
724533362
oct10334534
94137661
102210140
11127a569
128a7024
135c4c9a
14417632
152d9cca
hex21b95c

2210140 has 24 divisors (see below), whose sum is σ = 4722480. Its totient is φ = 868608.

The previous prime is 2210107. The next prime is 2210141. The reversal of 2210140 is 410122.

2210140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210141) 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, 244 + ... + 2116.

It is an arithmetic number, because the mean of its divisors is an integer number (196770).

22210140 is an apocalyptic number.

2210140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210140 is an abundant number, since it is smaller than the sum of its proper divisors (2512340).

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

2210140 is a wasteful number, since it uses less digits than its factorization.

2210140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2210140 is about 1486.6539610817. The cubic root of 2210140 is about 130.2586566160.

Adding to 2210140 its reverse (410122), we get a palindrome (2620262).

The spelling of 2210140 in words is "two million, two hundred ten thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 1873 3746 7492 9365 18730 37460 110507 221014 442028 552535 1105070 2210140