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2300720 = 24528759
BaseRepresentation
bin1000110001101100110000
311022212222212
420301230300
51042110340
6121151252
725361432
oct10615460
94285885
102300720
111331624
1292b528
13627296
1443c652
15306a65
hex231b30

2300720 has 20 divisors (see below), whose sum is σ = 5349360. Its totient is φ = 920256.

The previous prime is 2300719. The next prime is 2300731. The reversal of 2300720 is 270032.

It is a tau number, because it is divible by the number of its divisors (20).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2300695 and 2300704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14300 + ... + 14459.

It is an arithmetic number, because the mean of its divisors is an integer number (267468).

22300720 is an apocalyptic number.

2300720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2300720 is an abundant number, since it is smaller than the sum of its proper divisors (3048640).

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

2300720 is a wasteful number, since it uses less digits than its factorization.

2300720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28772 (or 28766 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 2300720 is about 1516.8124472063. The cubic root of 2300720 is about 132.0143847195.

Adding to 2300720 its reverse (270032), we get a palindrome (2570752).

The spelling of 2300720 in words is "two million, three hundred thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 28759 57518 115036 143795 230072 287590 460144 575180 1150360 2300720