Search a number
-
+
345087683 = 347994489
BaseRepresentation
bin10100100100011…
…001111011000011
3220001100021022022
4110210121323003
51201320301213
654124232055
711360124353
oct2444317303
9801307268
10345087683
1116787a536
129769b62b
13566562c5
1433b8cb63
1520468308
hex14919ec3

345087683 has 4 divisors (see below), whose sum is σ = 346082520. Its totient is φ = 344092848.

The previous prime is 345087661. The next prime is 345087703. The reversal of 345087683 is 386780543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386780543 = 1669123173.

It is a cyclic number.

It is not a de Polignac number, because 345087683 - 212 = 345083587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345087623) 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, 496898 + ... + 497591.

It is an arithmetic number, because the mean of its divisors is an integer number (86520630).

Almost surely, 2345087683 is an apocalyptic number.

345087683 is a deficient number, since it is larger than the sum of its proper divisors (994837).

345087683 is an equidigital number, since it uses as much as digits as its factorization.

345087683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994836.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 345087683 is about 18576.5358180690. The cubic root of 345087683 is about 701.4173208681.

The spelling of 345087683 in words is "three hundred forty-five million, eighty-seven thousand, six hundred eighty-three".

Divisors: 1 347 994489 345087683