Search a number
-
+
2345688481 = 8328261307
BaseRepresentation
bin1000101111010000…
…0101110110100001
320001110211022200011
42023310011312201
514300444012411
61024432124521
7112062010633
oct21364056641
96043738604
102345688481
11aa4097524
12555696741
132b4c80c66
14183762a53
15dade8c21
hex8bd05da1

2345688481 has 4 divisors (see below), whose sum is σ = 2373949872. Its totient is φ = 2317427092.

The previous prime is 2345688463. The next prime is 2345688493. The reversal of 2345688481 is 1848865432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2345688481 - 211 = 2345686433 is a prime.

It is a super-2 number, since 2×23456884812 = 11004508899792174722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2345688451) 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, 14130571 + ... + 14130736.

It is an arithmetic number, because the mean of its divisors is an integer number (593487468).

Almost surely, 22345688481 is an apocalyptic number.

It is an amenable number.

2345688481 is a deficient number, since it is larger than the sum of its proper divisors (28261391).

2345688481 is an equidigital number, since it uses as much as digits as its factorization.

2345688481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28261390.

The product of its digits is 1474560, while the sum is 49.

The square root of 2345688481 is about 48432.3082353092. The cubic root of 2345688481 is about 1328.6893227299.

It can be divided in two parts, 234568 and 8481, that added together give a square (243049 = 4932).

The spelling of 2345688481 in words is "two billion, three hundred forty-five million, six hundred eighty-eight thousand, four hundred eighty-one".

Divisors: 1 83 28261307 2345688481