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345980227 = 615671807
BaseRepresentation
bin10100100111110…
…011110101000011
3220010000121122111
4110213303311003
51202032331402
654155320151
711400532465
oct2447636503
9803017574
10345980227
1116832a07a
1297a50057
13568a9638
1433d42135
15205929d7
hex149f3d43

345980227 has 4 divisors (see below), whose sum is σ = 351652096. Its totient is φ = 340308360.

The previous prime is 345980221. The next prime is 345980251. The reversal of 345980227 is 722089543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345980227 - 211 = 345978179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345980227.

It is not an unprimeable number, because it can be changed into a prime (345980221) 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, 2835843 + ... + 2835964.

It is an arithmetic number, because the mean of its divisors is an integer number (87913024).

Almost surely, 2345980227 is an apocalyptic number.

345980227 is a deficient number, since it is larger than the sum of its proper divisors (5671869).

345980227 is an equidigital number, since it uses as much as digits as its factorization.

345980227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671868.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 345980227 is about 18600.5437286118. The cubic root of 345980227 is about 702.0215217575.

The spelling of 345980227 in words is "three hundred forty-five million, nine hundred eighty thousand, two hundred twenty-seven".

Divisors: 1 61 5671807 345980227