Search a number
-
+
2348389451 = 4749965733
BaseRepresentation
bin1000101111111001…
…1001010001001011
320001122220112201002
42023332121101023
514302141430301
61025010045215
7112123660322
oct21376312113
96048815632
102348389451
11aa5671831
1255657980b
132b56b8475
14183c670b9
15db27e16b
hex8bf9944b

2348389451 has 4 divisors (see below), whose sum is σ = 2398355232. Its totient is φ = 2298423672.

The previous prime is 2348389429. The next prime is 2348389457. The reversal of 2348389451 is 1549838432.

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-2348389451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 49965733 = 2348389451 / (2 + 3 + 4 + 8 + 3 + 8 + 9 + 4 + 5 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2348389396 and 2348389405.

It is not an unprimeable number, because it can be changed into a prime (2348389457) 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, 24982820 + ... + 24982913.

It is an arithmetic number, because the mean of its divisors is an integer number (599588808).

Almost surely, 22348389451 is an apocalyptic number.

2348389451 is a deficient number, since it is larger than the sum of its proper divisors (49965781).

2348389451 is an equidigital number, since it uses as much as digits as its factorization.

2348389451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49965780.

The product of its digits is 829440, while the sum is 47.

The square root of 2348389451 is about 48460.1841824812. The cubic root of 2348389451 is about 1329.1991053195.

The spelling of 2348389451 in words is "two billion, three hundred forty-eight million, three hundred eighty-nine thousand, four hundred fifty-one".

Divisors: 1 47 49965733 2348389451