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345943711 = 1607215273
BaseRepresentation
bin10100100111101…
…010111010011111
3220002221202120001
4110213222322133
51202030144321
654154435131
711400321151
oct2447527237
9802852501
10345943711
111683046a3
1297a32aa7
1356895b29
1433d32ad1
1520586c91
hex149eae9f

345943711 has 4 divisors (see below), whose sum is σ = 346160592. Its totient is φ = 345726832.

The previous prime is 345943709. The next prime is 345943723. The reversal of 345943711 is 117349543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117349543 = 611923763.

It is a cyclic number.

It is not a de Polignac number, because 345943711 - 21 = 345943709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345943111) 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, 106030 + ... + 109243.

It is an arithmetic number, because the mean of its divisors is an integer number (86540148).

Almost surely, 2345943711 is an apocalyptic number.

345943711 is a deficient number, since it is larger than the sum of its proper divisors (216881).

345943711 is a wasteful number, since it uses less digits than its factorization.

345943711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216880.

The product of its digits is 45360, while the sum is 37.

The square root of 345943711 is about 18599.5621185016. The cubic root of 345943711 is about 701.9968229281.

The spelling of 345943711 in words is "three hundred forty-five million, nine hundred forty-three thousand, seven hundred eleven".

Divisors: 1 1607 215273 345943711