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2214020 = 225313571
BaseRepresentation
bin1000011100100010000100
311011111001202
420130202010
51031322040
6115242032
724550604
oct10344204
94144052
102214020
111282476
128a9318
135c6993
14418c04
152db015
hex21c884

2214020 has 24 divisors (see below), whose sum is σ = 4800768. Its totient is φ = 856800.

The previous prime is 2214011. The next prime is 2214073. The reversal of 2214020 is 204122.

It is a junction number, because it is equal to n+sod(n) for n = 2213992 and 2214010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166 + ... + 2405.

It is an arithmetic number, because the mean of its divisors is an integer number (200032).

22214020 is an apocalyptic number.

2214020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2214020 is an abundant number, since it is smaller than the sum of its proper divisors (2586748).

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

2214020 is a wasteful number, since it uses less digits than its factorization.

2214020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611 (or 3609 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2214020 is about 1487.9583327499. The cubic root of 2214020 is about 130.3348370273.

Adding to 2214020 its reverse (204122), we get a palindrome (2418142).

The spelling of 2214020 in words is "two million, two hundred fourteen thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 3571 7142 14284 17855 35710 71420 110701 221402 442804 553505 1107010 2214020