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345045793 = 2315001991
BaseRepresentation
bin10100100100001…
…111101100100001
3220001021010211211
4110210033230201
51201312431133
654123310121
711356561261
oct2444175441
9801233754
10345045793
11167851014
129767b341
1356640211
1433b7b7a1
152045abcd
hex1490fb21

345045793 has 4 divisors (see below), whose sum is σ = 360047808. Its totient is φ = 330043780.

The previous prime is 345045773. The next prime is 345045809. The reversal of 345045793 is 397540543.

It is a happy number.

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 345045793 - 217 = 344914721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345045703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7500973 + ... + 7501018.

It is an arithmetic number, because the mean of its divisors is an integer number (90011952).

Almost surely, 2345045793 is an apocalyptic number.

It is an amenable number.

345045793 is a deficient number, since it is larger than the sum of its proper divisors (15002015).

345045793 is a wasteful number, since it uses less digits than its factorization.

345045793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15002014.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 345045793 is about 18575.4082862262. The cubic root of 345045793 is about 701.3889381681.

The spelling of 345045793 in words is "three hundred forty-five million, forty-five thousand, seven hundred ninety-three".

Divisors: 1 23 15001991 345045793