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2300020 = 225115001
BaseRepresentation
bin1000110001100001110100
311022212000221
420301201310
51042100040
6121144124
725356412
oct10614164
94285027
102300020
111331048
1292b044
13626b78
1443c2b2
1530674a
hex231874

2300020 has 12 divisors (see below), whose sum is σ = 4830084. Its totient is φ = 920000.

The previous prime is 2300017. The next prime is 2300021. The reversal of 2300020 is 200032.

It can be written as a sum of positive squares in 2 ways, for example, as 767376 + 1532644 = 876^2 + 1238^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2299976 and 2300012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2300021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57481 + ... + 57520.

It is an arithmetic number, because the mean of its divisors is an integer number (402507).

22300020 is an apocalyptic number.

2300020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2300020 is an abundant number, since it is smaller than the sum of its proper divisors (2530064).

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

2300020 is a wasteful number, since it uses less digits than its factorization.

2300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115010 (or 115008 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 2300020 is about 1516.5816826007. The cubic root of 2300020 is about 132.0009947890. Note that the first 3 decimals are identical.

Adding to 2300020 its product of nonzero digits (12), we get a palindrome (2300032).

Adding to 2300020 its reverse (200032), we get a palindrome (2500052).

The spelling of 2300020 in words is "two million, three hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 115001 230002 460004 575005 1150010 2300020