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3090903 = 31013
BaseRepresentation
bin1011110010100111010111
312211000220220
423302213113
51242402103
6150125423
735162244
oct13624727
95730826
103090903
111821272
121050873
13842b4a
145a65cb
15410c53
hex2f29d7

3090903 has 8 divisors (see below), whose sum is σ = 4162416. Its totient is φ = 2040200.

The previous prime is 3090887. The next prime is 3090959.

3090903 is nontrivially palindromic in base 10.

It is an ABA number since it can be written as A⋅BA, here for A=3, B=101.

It is not a de Polignac number, because 3090903 - 24 = 3090887 is a prime.

It is an Ulam number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3090973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30553 + ... + 30653.

It is an arithmetic number, because the mean of its divisors is an integer number (520302).

Almost surely, 23090903 is an apocalyptic number.

3090903 is a deficient number, since it is larger than the sum of its proper divisors (1071513).

3090903 is an frugal number, since it uses more digits than its factorization.

3090903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 24.

The square root of 3090903 is about 1758.0964137385. The cubic root of 3090903 is about 145.6672066010.

It can be divided in two parts, 3090 and 903, that added together give a palindrome (3993).

The spelling of 3090903 in words is "three million, ninety thousand, nine hundred three".

Divisors: 1 3 101 303 10201 30603 1030301 3090903