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345453871 = 727050079
BaseRepresentation
bin10100100101110…
…011010100101111
3220002000212121211
4110211303110233
51201414010441
654140135251
711363211100
oct2445632457
9802025554
10345453871
11167aaa674
1297837527
1356753b99
1433c463a7
15204dba81
hex1497352f

345453871 has 6 divisors (see below), whose sum is σ = 401854560. Its totient is φ = 296103276.

The previous prime is 345453833. The next prime is 345453893. The reversal of 345453871 is 178354543.

It is not a de Polignac number, because 345453871 - 29 = 345453359 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 (345453971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3524991 + ... + 3525088.

It is an arithmetic number, because the mean of its divisors is an integer number (66975760).

Almost surely, 2345453871 is an apocalyptic number.

345453871 is a deficient number, since it is larger than the sum of its proper divisors (56400689).

345453871 is an equidigital number, since it uses as much as digits as its factorization.

345453871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050093 (or 7050086 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 345453871 is about 18586.3894019253. The cubic root of 345453871 is about 701.6653349432.

It can be divided in two parts, 34545 and 3871, that added together give a 4-th power (38416 = 144).

The spelling of 345453871 in words is "three hundred forty-five million, four hundred fifty-three thousand, eight hundred seventy-one".

Divisors: 1 7 49 7050079 49350553 345453871