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2308220 = 225131881
BaseRepresentation
bin1000110011100001111100
311100021021122
420303201330
51042330340
6121250112
725422335
oct10634174
94307248
102308220
111337222
12933938
1362a815
1444128c
15308db5
hex23387c

2308220 has 24 divisors (see below), whose sum is σ = 4889808. Its totient is φ = 915200.

The previous prime is 2308219. The next prime is 2308223. The reversal of 2308220 is 228032.

2308220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2308223) 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, 2180 + ... + 3060.

It is an arithmetic number, because the mean of its divisors is an integer number (203742).

22308220 is an apocalyptic number.

2308220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2308220 is an abundant number, since it is smaller than the sum of its proper divisors (2581588).

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

2308220 is a wasteful number, since it uses less digits than its factorization.

2308220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2308220 is about 1519.2827254991. The cubic root of 2308220 is about 132.1576781178.

The spelling of 2308220 in words is "two million, three hundred eight thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 131 262 524 655 881 1310 1762 2620 3524 4405 8810 17620 115411 230822 461644 577055 1154110 2308220