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2303000231 = 7329000033
BaseRepresentation
bin1000100101000100…
…1111111010100111
312221111111112101212
42021101033322213
514204032001411
61020305142035
7111033115250
oct21121177247
95844445355
102303000231
11a81a90184
1254332a91b
132a918593c
1417bc0db27
15d72b568b
hex8944fea7

2303000231 has 4 divisors (see below), whose sum is σ = 2632000272. Its totient is φ = 1974000192.

The previous prime is 2303000209. The next prime is 2303000237. The reversal of 2303000231 is 1320003032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2303000231 is a prime.

It is a super-2 number, since 2×23030002312 = 10607620127972106722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303000237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164500010 + ... + 164500023.

It is an arithmetic number, because the mean of its divisors is an integer number (658000068).

Almost surely, 22303000231 is an apocalyptic number.

2303000231 is a deficient number, since it is larger than the sum of its proper divisors (329000041).

2303000231 is an equidigital number, since it uses as much as digits as its factorization.

2303000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329000040.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 2303000231 is about 47989.5846095796. The cubic root of 2303000231 is about 1320.5798323063.

Adding to 2303000231 its reverse (1320003032), we get a palindrome (3623003263).

The spelling of 2303000231 in words is "two billion, three hundred three million, two hundred thirty-one", and thus it is an aban number.

Divisors: 1 7 329000033 2303000231