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345034579 = 2571342547
BaseRepresentation
bin10100100100001…
…100111101010011
3220001020120110111
4110210030331103
51201312101304
654123142151
711356513501
oct2444147523
9801216414
10345034579
1116784364a
1297674957
1356638096
1433b77671
1520457704
hex1490cf53

345034579 has 4 divisors (see below), whose sum is σ = 346377384. Its totient is φ = 343691776.

The previous prime is 345034559. The next prime is 345034621. The reversal of 345034579 is 975430543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 975430543 = 2353141453.

It is a cyclic number.

It is not a de Polignac number, because 345034579 - 213 = 345026387 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345034549) 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, 671017 + ... + 671530.

It is an arithmetic number, because the mean of its divisors is an integer number (86594346).

Almost surely, 2345034579 is an apocalyptic number.

345034579 is a deficient number, since it is larger than the sum of its proper divisors (1342805).

345034579 is a wasteful number, since it uses less digits than its factorization.

345034579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342804.

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

The square root of 345034579 is about 18575.1064330733. The cubic root of 345034579 is about 701.3813396977.

The spelling of 345034579 in words is "three hundred forty-five million, thirty-four thousand, five hundred seventy-nine".

Divisors: 1 257 1342547 345034579