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345352893 = 3115117631
BaseRepresentation
bin10100100101011…
…010101010111101
3220001211202002220
4110211122222331
51201402243033
654134035553
711362310514
oct2445325275
9801752086
10345352893
11167a40816
12977a8bb9
1356719c32
1433c1b67b
15204bbbb3
hex1495aabd

345352893 has 4 divisors (see below), whose sum is σ = 460470528. Its totient is φ = 230235260.

The previous prime is 345352859. The next prime is 345352897. The reversal of 345352893 is 398253543.

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 345352893 - 212 = 345348797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345352897) 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, 57558813 + ... + 57558818.

It is an arithmetic number, because the mean of its divisors is an integer number (115117632).

Almost surely, 2345352893 is an apocalyptic number.

It is an amenable number.

345352893 is a deficient number, since it is larger than the sum of its proper divisors (115117635).

345352893 is a wasteful number, since it uses less digits than its factorization.

345352893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115117634.

The product of its digits is 388800, while the sum is 42.

The square root of 345352893 is about 18583.6727532531. The cubic root of 345352893 is about 701.5969614469.

The spelling of 345352893 in words is "three hundred forty-five million, three hundred fifty-two thousand, eight hundred ninety-three".

Divisors: 1 3 115117631 345352893