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2103030 = 23357789
BaseRepresentation
bin1000000001011011110110
310221211211000
420001123312
51014244110
6113024130
723606166
oct10013366
93854730
102103030
111207046
12855046
135882c7
143ca5a6
152b81c0
hex2016f6

2103030 has 32 divisors (see below), whose sum is σ = 5608800. Its totient is φ = 560736.

The previous prime is 2103029. The next prime is 2103041. The reversal of 2103030 is 303012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an alternating number because its digits alternate between even and odd.

2103030 is a modest number, since divided by 3030 gives 210 as remainder.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3625 + ... + 4164.

It is an arithmetic number, because the mean of its divisors is an integer number (175275).

22103030 is an apocalyptic number.

2103030 is an abundant number, since it is smaller than the sum of its proper divisors (3505770).

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

2103030 is a wasteful number, since it uses less digits than its factorization.

2103030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805 (or 7799 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 2103030 is about 1450.1827471047. The cubic root of 2103030 is about 128.1194766606.

Subtracting from 2103030 its product of nonzero digits (18), we obtain a palindrome (2103012).

Adding to 2103030 its reverse (303012), we get a palindrome (2406042).

It can be divided in two parts, 210 and 3030, that added together give a triangular number (3240 = T80).

The spelling of 2103030 in words is "two million, one hundred three thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 7789 15578 23367 38945 46734 70101 77890 116835 140202 210303 233670 350505 420606 701010 1051515 2103030